We have earlier discussed in detail the stages of fetal development in the gestation cycle. Here we will explore the course of development via illustrations.
During the 1st 2 weeks, fertilization of the egg occurs and its only from the 3rd week onwards that the fertilized egg starts development.
3rd week: The fertilized continues its journey to your womb whilst continuing to split into millions of cells. By the time it reached your womb in 5-6 days the zygote will have formed 150 identical cells. In the womb it will then split into two: forming the embryo and the placenta.
Week4: The stem cells that make up the embryo now start forming into specific organs and tissues: The top layers forms the babys nervous system, brain and spinal cord. The middle layer forms the heart and circulatory systems and the lower layers forms the urinary tract, lungs and intestines. In addition, the umbilical cord, placenta and amniotic sac are forming also.
Highlights of Week4:
Your baby is now called an embryo
Your baby’s brain, muscles and bones are forming
Your baby's skeleton is starting to take shape
Your baby’s muscles and bones are forming
The liver, kidneys and intestines begin to take shape
Take a home pregnancy test!
Baby is approximately 1 mm long - about the size of a poppy seed!
Week5: Your baby looks like a tiny tadpole with features developing: buds that will form eyes, a tiny slit that will form the mouth- however the facial features are not distinctive yet. The heart also divides into chambers and the legs and arms begin to sprout out.
Highlights of Week5:
Book an appointment with your doctor
Your baby is now 10,000 times larger than the fertilized egg!
You may start noticing some early symptoms of pregnancy this week.
Types of symptoms – Early morning sickness and easily tired
Types of symptoms – Breast changes and frequent urination
An interval ( trimester) is used to measure your 3 stages of pregnancy
Baby is approximately 2 mm long - about the size of a small grain of rice!
Week6: The amniotic sac is formed. The babys feet and hands are also developed. This is a crucial time for your babys development.
Highlights of Week6:
Your baby triples in size this week!
Make sure you get your rest and sleep!
Your baby’s brain is developing.
Your baby’s eyes and ears are beginning to form.
Baby’s heart is beginning to beat.
Your baby’s fingernails are beginning to form.
Baby's crown to rump length 1/4 of an inch (6 mm) long - about half the size of a baby pea!
Week7: A crucial stage in the babys development- the eyes and ears develop significantly, fingers and toes sprout out (initially they are webbed), brain divides into sections, buds develop which will later form his/her teeth.
Highlights of Week7:
Morning sickness and Nausea. Possibility of Migraine headaches.
Avoid anyone with Rubella (German measles) or Chickenpox.
Your baby’s mouth and lips have formed. Your baby’s eyelids and toes form.
Your baby’s nose is distinct.
Cook all poultry and meat thoroughly so that there is no trace of pink or blood)
Check out your rights to antenatal care, leave from work and benefits.
Baby is about 12 mm or 0.50 inches long & weighs about 0.035 oz (1 gram) - about the size a blueberry!
Week8: Babys head is huge in comparison to the body since the brain is rapidly developing. Ears sprout at the side of the head, and also a bud for the tongue. Also the testicles or ovaries form.
Highlights of Week8:
All of your baby’s organs are now in place.
Certain smells can make you feel queasy.
Your uterus is now about the size of a grapefruit.
Baby’s fingerprints begin to form.
Your baby's hands and feet are shaped like paddles.
Your baby begins to hear.
Baby is about 20 mm or 0.75 inches long & weighs about 0.07oz (2 grams) - about the size of a raspberry!
Week9: Baby looks more human now- senses of touch have developed and he will be making grasping movements. Eyelids are also growing.
Highlights of Week9:
Your baby is about the size of a cherry!
Your baby’s teeth begin to form
Your baby’s heart has developed.
Your skin might begin to break out in spots. Darkening of areolas (the skin around the nipples) can occur.
Your baby’s fingernails develop.
Your baby's heart has 140-150 beats every minute - about twice as many as yours!
Baby is about 2.5-3cm or 1.2 inches long & weighs about .25 oz (7.08 grams) - about the size of a cherry!
Week10: Babys major organs have formed- ears - both inner and outer- lips and neck are all visible.- and also the genitals are forming now.
Highlights of Week10:
Your clothes beginning to feel tight. Backache can occur.
Your baby can hiccup!
Your baby can now turn its head
The external genitalia begin to appear this week. Will you have a Boy or Girl?
Your baby can now frown
The embryonic period is over and the fetal period begins
Baby is about 3-5cm or 1.2-2 ins long & weighs about 0.28 oz (8 grams) - about the size of a prune!
Week11: Your baby doubles in size and the fingers and toes loose their webbing. Circulatory and urinary systems are working. Baby is also swallowing and sucking.
Highlights of Week11:
Start selecting comfortable clothes for your pregnancy! You may start to experience frequent urination
Your baby can "breathe" amniotic fluid and urinate
Baby boys begin producing testosterone
Your baby now has a skeletal structure, nerves, and circulation
A dark line of pigmentation running down from your naval may appear
Baby is about 5-6cm or 2-2.4 inches long & weighs about 0.5 oz (14 grams) - about the size of a lime!
Congratulations! You have completed your first trimester
Week12: Baby is fully formed. The placenta is also fully functional.
Highlights of Week12:
End of your first Trimester
Your baby now has vocal cords
Ask to hear your baby's heartbeat which is checked with a Doppler
Morning sickness can often ease at this point
You become forgetful! Start to write things down!
Your baby can suck its thumb
Baby is about 7-9cm or 3-3.5 inches long & weighs about 1.25 oz (35 grams) - about the size of a plum!
Week13: Baby eyes are moving in close together; the intestines which were formed outside the body now located inside the abdomen. You may not feel him/her but he can feel you and will respond to your touch with a tiny jerk.
Highlights of Week13:
Start of your second Trimester. During the second trimester, the development of the baby can be more easily monitored and diagnosed.
Your teeth and gums need extra care in pregnancy
Dry skin often occurs try a good moisturiser
Feeling faint is a common problem in pregnancy
Your baby's hair follicles develop
Everyday your baby’s heart pumps several quarts of blood through its body
Baby is about 9-10cm or 3.5-4 inches long & weighs about 1.75 oz (50 grams) - about the size of a peach
Week14: Baby now has finger nails, toe nails and hair- her movements are becoming more sophisticated and she is practicing inhaling and also urinating in the womb! She may also be able to suck her thumb, toes!
Highlights of Week14:
Movement, or "quickening", can occur as early as this week
Headaches are common, but if severe see your doctor
A long soak in the bath will help to ease your aches and twinges
Bone Marrow is now beginning to form
Get to know who’s who in your maternity team
Your baby is able to make facial expressions
Baby is about 10-11cm or 4.43 inches long & weighs about 3.5 oz (100 grams) - about the size of a tangerine!
Week15: Taste buds are sprouting- and layers of fat are developing. Alot of movements are now visible although may not be felt.
Highlights of Week15:
Morning sickness often disappears at this time
Your baby has the same taste buds as an adult
Decide whether you want to be told whether your baby is a boy or a girl
Itching is common in pregnancy
Fine downy hair, called lanugo, is starting to appear on your baby’s skin
Do not take any medication without checking the labels
Baby is about 11-12cm or 5 inches long & weighs about 3.5-5.3 oz (100-150 grams) - about the size of a lemon
Week16: Bones are hardening. Also she is now able to lift her neck and head in a more upright position.
Highlights of Week16:
Those famous food cravings can really kick in at this time!
A scan will show whether your baby is a boy or girl
Pregnancy hormones are kicking in - beware mood swings!
Make an appointment with your dentist
Your waist has probably vanished!
Changes in vision can occur, another crazy pregnancy symptom!
Baby is about 13.5cm or 5.3 inches long & weighs about 5.3-7 oz (150-200 grams) - about the size of an avocado!
Week17: Babys sex can now be told. Blood circulation is well established and the umbilical cord becomes longer and thicker to transport oxygen and nutrients.
Highlights of Week17:
You will start to notice your baby’s movements
Feeling hot is a common side effect of pregnancy
Your baby's reflexes provide the ability to suck, swallow and blink
Your baby can have dream (REM) sleep
Low blood sugar can result in dizziness
At this point you might need to consider wearing maternity or loose fitting clothes
Baby is about 15cm or 6 inches long & weighs about 8.5 oz (250 grams) - about the size of an apple!
Week18: Digestive system under development. Babys legs longer than the arms. Continually adding layers of fat.
Highlights of Week18:
Everyone's bump is different- quite big or hardly showing at all
You will probably be offered a detailed scan at 18-21 weeks
There are often changes to your skin and hair during pregnancy
Start to gather facts and info about feeding your baby
Your baby's eyes are looking forward rather than out the sides of the head
Your uterus is just below your belly button now. You might suffer with constipation.
Baby is about 16cm or 6.3 inches long & weighs about 10.5 oz (300 grams) - about the size of a small grapefruit!
Week19: Babys skin covered in a white waxy substance- protect her skin from being waterlogged and also scratches from her finger nails. Sensory development is at peak. Reproductive system fully developed.
Highlights of Week19:
Avoid eating anything just before bed time. Heartburn can become a common problem.
Make sure you rest – sleeplessness is common in pregnancy
Elevate your feet and legs when resting or sitting to help with swelling
Your baby’s brain begins to specialize in taste, smell, vision, hearing and touch
Try some gentle stretches to improve your flexibility and relax you
Baby is about 18cm or 7 inches long & weighs 10.5-12.3 oz (300-350 grams) - about the size of a mango!
You’re nearly halfway through your pregnancy!
Week20: Babys ears are well formed and she is now able to hear sounds from the outside world. All structures fully formed, she will now continuously gain fat. She is half the length she will be at birth.
Highlights of Week20:
You are half way through your pregnancy! Congratulations!
Baby recognizes its' mothers voice
Consider whether you want to find out the gender of your baby
Your belly button may pop out as your uterus presses upwards
Your baby has developed sleep and waking patterns
Make sure you get enough rest - feelings of fatigue are common at this time
Baby is about 19cm or 7.5 inches long & weighs about 12.3-15 oz (350-425 grams) - about the size of a small cantaloupe melon!
Week21: Baby opens and closes mouth regularly. Fingernails grown to the edge of the finger. Also waste products are passed back into your blood stream for excretion. Lungs are still under development.
Highlights of Week21:
Start your birth plan
Decide how you want to feed your baby
Your baby can hear you- sing, talk or read to your baby
You might be suffering from constipation
The hair on your baby’s head is becoming more visible
You should feel more emotionally stable now!
Baby is about 20cm or 7.9 inches long & weighs 15oz-1.1lbs (425-500 grams) - about the size of a large cantaloupe melon!
Week22: Pancreas under development. Can clearly distinguish your voice from that of your partners.
Highlights of Week22:
Your heart rate increases during this week of pregnancy
At this point you might feel less tired and have more energy
Heartburn and indigestion are common in pregnancy
Your baby is getting more wrinkles at this point
An average pregnant woman only needs about 300 extra calories each day
Your baby's fingers have developed the sense of touch
Baby is about 21cm or 8.3 inches long & weighs about 1.1-1.3lbs (500-600 grams) about the size of a small papaya!
Week23: Baby has developed a routine for waking up, sleeping etc. Still small enough to freely move around the womb.
Highlights of Week23:
Complete your birth plan
Make sure that you are aware of the safety standards for baby products
The baby's finger nails are almost fully formed
Piles, or haemorrhoids, commonly occur during pregnancy
Your baby’s skin is less translucent now
Baby is about 22cm or 8.7 inches long & weighs about 1.3-1.5lbs (600-700 grams) about the size of a medium papaya!
Make sure you have light exercise
Week24: Baby is now viable- thus chances of survival if she were to be born now- although with the days, the lungs will develop to function as required.Skin is still transparent and fragile with the organs, blood vessels etc showing but this will thicken until it becomes opaque like yours.
Highlights of Week24:
It may be a few more weeks before someone else can feel your baby move
The top of your uterus reaches just above your navel!
Remember to give notice to your employer
Have a cat-nap in the afternoon if you can
It’s important to drink lots of water
Your uterus is about the size of a soccer ball
Baby is about 23cm or 9 inches long & weighs about 1.5-1.75lbs (700-800 grams) - about the size of a large papaya!
Week25: Babys brain is developing into layers, eyes are fully functional and may blink to outside noises etc. Sense of smell also developing. Lungs are also still developing.
Highlights of Week25:
You are in the prime of your pregnancy – you’re blooming! However Braxton Hicks contractions can occur. These are a tightening of the uterine muscles for one to two hours
Start preparing the nursery – decoration and furniture
Your baby's skin is red and wrinkled
Stretch marks can appear but usually fade after the birth
Your baby’s bones are becoming stronger
Veins are visible through your baby's skin
Baby is about 24cm or 9.4 inches long & weighs about 1.8-2.2lbs (850-1000 grams) - about the size of a small eggplant or aubergine
Week26: Babys nostrils are opening up so she can breathe through her nose and mouth. Eyes are developing the ability to focus. You will now feel her and also be able to make out a protruding hand or foot.
Highlights of Week26:
Friends and family will be able to feel the baby moving
Your baby can hear you and other people
Your baby is able to cry
Use additional pillows to support your legs and your growing tummy!
You might feel you baby move in response to a sudden noise
Baby is about 25cm or 9.8 inches long & weighs about 2.2-2.4lbs (1000-1100 grams) - about the size of a medium eggplant or aubergine
The navel can sometimes becoming convex and "popping" out due to the expanding abdomen
Week27: Nervous system well developed to control some of his body functions.Brain is growing rapidly, You can now expect alot of kicks.
Highlights of Week27:
This is the time when you will really gain weight
Swollen ankles, feet and fingers are common at this stage in pregnancy
Your baby is able to open and close their eyes
Discuss Maternity leave with your employer
You may notice some shortness of breath as your baby grows bigger
Your baby's looks very similar to how they'll be at birth
Baby is about 26cm or 10.2 inches long & weighs about 2.4-2.75lbs (1100-1250 grams) - about the size of a large eggplant or aubergine
Week28: Respiratory system still under developed.
Highlights of Week28:
You will probably begin to see your doctor every 2 weeks from now on. Leg cramps become common at this stage
Get ready to stop work.
Make plans with your employer if you wish to return to work
Decide when and if you would like a Baby Shower
Start discussing your ideas and plans for giving birth
Choose a close friend or family member to plan your Baby Shower
Baby is about 27cm or 10.6 inches long & weighs about 2.8-3.1lbs (1300-1400 grams) - about the size of a large eggplant or aubergine
Congratulations! You have finished your second trimester
Week29: All senses are developing well. He is sensitive to sounds, light, taste and smell and may indicate preferences to certain tastes or smells.
Highlights of Week29:
Start of your third Trimester. From the beginning of the third trimester the baby is able to survive, with or without medical help, outside of the womb.
Decide on feeding equipment
Decide who you would like as your birth partner. Send out Baby Shower invitations
Light headed spells referred to as the 'spins'.
Purchase changing equipment for your baby
Your baby’s eyelashes are developing
Baby is about 28cm or 11 inches long & weighs about 3.3-3.5lbs (1500-1600 grams) - about the size of a small squash!
Week30: Bone marrow taking over production of red blood cells. Babys length will stop at one point but weight gain continues and also amount of amniotic fluid decreases with time. Fat stores increase that help to regulate body temperature. First bowel movements also being formed in the intestines.
Highlights of Week30:
Select any baby furniture you might need
Your point of gravity continues to change
Good posture will help to reduce the strain
Select some bathing equipment for your baby
Decide what you will need when you take your baby out and about
Increase your stamina for the birth by increasing your exercise
Baby is about 29cm or 11.4 inches long & weighs about 3.75-4lbs (1700-1800 grams) - about the size of a medium squash!
Week31: Lungs fully developed though not matured yet. Bones fully developed and he will be building his stores of calcium and iron. Also constant weight gain is to expected as he adds on layers of fat. It is possible that your baby may have also turned upside down ready for birth- however do not be concerned if this is not the case as some babies leave it for dooms day!
Highlights of Week31:
Additional pregnancy symptoms may occur such as heartburn and leg cramps
Buy some baby clothes
Your baby begins storing calcium, iron and phosphorous
Your baby’s eyes respond to light
Your baby appears less red and wrinkled
Your baby might have grown a full head of hair
Baby is about 30cm or 11.8 inches long & weighs about 4.2-4.4lbs (1900-2000 grams) - about the size of a large squash!
Week32: Baby continues growing and developing as do the lungs. Also if your baby is a boy, his testicles will descend at this stage.
Highlights of Week32:
There will be an increased amount of instances when feel the baby kicking
The muscles of your uterus will practice contracting and relaxing These painless muscle movements are called Braxton-Hicks contractions
Your baby is losing its wrinkles
Your baby now has hair
Are you waddling? The hip joints and sometimes cause this effect
Have you started to choose baby names?
Baby is about 31cm or 12.2 inches long & weighs about 4.6-5lbs (2100-2250 grams) - about the size of a large squash!
Week33: Babys skin color has changed from red to pink and also smoother as he continues to add layers of fat. Hes immune system is able to protect him from infections.
Highlights of Week33:
Labour that starts before 37 weeks is considered premature
Make sure that you know all the starting signs for giving birth
Have you fitted a car seat for the baby?
Pack your bags ready for the birth of your baby
Find out what happens in each of the three stages of giving birth
Discuss pain relief options during the birthing process
Baby is about 32/33cm or 13 inches long & weighs about 5.2-5.6lbs (2350-2550 grams) - about the size of a small honeydew melon!
Week34: The digestive and intestinal systems are fully functional now although they will continue to mature until the age of 2. Lungs are nearly fully developed and her 1st bowel movement is ready to be passed out. Placenta starts aging now but still continues its function.
Highlights of Week34:
Your baby has the maturity to adapt to living outside of the womb
Your baby is developing its immune system
Your body is getting ready and you may experience more contractions
Your baby's body has begun to fill out with the formation of fat under the skin
Remember to pack your camera!
Many baby's eyes are blue at birth, but change colors later
Baby is about 34cm or 13.4 inches long & weighs about 5.7-6lbs (2600-2750 grams) - about the size of a medium honeydew melon!
Week35: Baby continues adding fat and walls of your uterus and abdomen are stretched more than ever.
Highlights of Week35:
You gain weight at a slightly faster rate
Your baby is developing its immune system
Your body is getting ready and you may experience more contractions
Pelvic girdle pain or hip pain accompanied with back pain is very common
Make last touches to the nursery!
Frequent urination or heartburn
Baby is about 34cm or 13.4 inches long & weighs about 5.7-6lbs (2600-2750 grams) - about the size of a large honeydew melon!
Week36: Fat adding continues.. At the end of this week your baby will be full term!
Highlights of Week36:
A pregnancy is considered a "term" pregnancy at this point. For some women, walking becomes difficult
You will probably see your practitioner every week until you give birth
Check you have everything you will need in your hospital bag
Most babies now adopt a head down position
Find out at what point you should go to the maternity unit or call for assistance
Your practitioner might take a guess at the weight of your baby
Baby is about 35-36cm or 13.8-14.2 inches long & weighs about 6.6-6.8lbs (3000-3100 grams) - about the size of a large honeydew melon!
Week37: Baby has now moved into your pelvic cavity and in the upside down position ready for birth, This position also helps for the legs to grow further. He may have some hair on his head, and the hair that was covering his body for warmth has now fallen off though you may find traces on the back of his neck and shoulders. Also the white waxy substance may still also be present. At this stage your babies lungs will function without help, and he also has enough fat to keep him warm.
Highlights of Week37:
98% of women will give birth 2 weeks before or 2 weeks after their due date. Your body will now start preparing for labor and this is done by dilation of the cervix
Your baby might get hiccoughs!
Give some thought to breast feeding
Check that you have bought everything you need for your baby
Your baby's skeleton is more flexible making the birth easier
Make a phone list of everyone that needs to be called after the birth
Baby is about 36-37cm or 14.2-14.6 inches long & weighs about 7-7.2lbs (3200-3250 grams) - about the size of a small watermelon!
Week38: Fat stores still piling up.
Highlights of Week38:
Hooray! Your weight gain has slowed down or stopped
Your doctor will likely schedule an induction if you go past 41-42 weeks
Baby may be gaining as much as 1 oz (about 28 grams) a day at this point!
In the days before birthing begins you may also experience some symptoms
Possible symptoms – small ‘show’ of blood
Possible symptoms – strong 'nesting' instinct
Baby is about 37-38cm or 14.6-15 inches long & weighs about 7.5-7.6lbs (3400-3450 grams) - about the size of a medium watermelon!
Week39: Another growth spurt and new skin is forming under neath the outer layers.
Highlights of Week39:
You’re almost there! Your baby is about the size of a watermelon!
Possible symptoms - loose stools and loss of weight
Have you decided on your baby’s name?
98% of women will give birth 2 weeks before or 2 weeks after their due date
Less than 10% of women's water breaks before the onset of birthing
Only about 4% of women will actually give birth on their due date
Week40: Tissues of your babys eyes develop. This is the last of the 5 senses to mature and even at birth your baby will see only blurred. The color of the iris will only settle when she is 9 mnths old and may be blue-grey at birth.
Congratulations you have reached your due date!
Week41:Last layers of fat being added till her arrival time to help her regulate her body temperature. Weight should be approx 8 pounds and a height of 20inches!
During the 1st 2 weeks, fertilization of the egg occurs and its only from the 3rd week onwards that the fertilized egg starts development.
3rd week: The fertilized continues its journey to your womb whilst continuing to split into millions of cells. By the time it reached your womb in 5-6 days the zygote will have formed 150 identical cells. In the womb it will then split into two: forming the embryo and the placenta.
Week4: The stem cells that make up the embryo now start forming into specific organs and tissues: The top layers forms the babys nervous system, brain and spinal cord. The middle layer forms the heart and circulatory systems and the lower layers forms the urinary tract, lungs and intestines. In addition, the umbilical cord, placenta and amniotic sac are forming also.
Highlights of Week4:
Your baby is now called an embryo
Your baby’s brain, muscles and bones are forming
Your baby's skeleton is starting to take shape
Your baby’s muscles and bones are forming
The liver, kidneys and intestines begin to take shape
Take a home pregnancy test!
Baby is approximately 1 mm long - about the size of a poppy seed!
Highlights of Week5:
Book an appointment with your doctor
Your baby is now 10,000 times larger than the fertilized egg!
You may start noticing some early symptoms of pregnancy this week.
Types of symptoms – Early morning sickness and easily tired
Types of symptoms – Breast changes and frequent urination
An interval ( trimester) is used to measure your 3 stages of pregnancy
Baby is approximately 2 mm long - about the size of a small grain of rice!
Week6: The amniotic sac is formed. The babys feet and hands are also developed. This is a crucial time for your babys development.
Highlights of Week6:
Your baby triples in size this week!
Make sure you get your rest and sleep!
Your baby’s brain is developing.
Your baby’s eyes and ears are beginning to form.
Baby’s heart is beginning to beat.
Your baby’s fingernails are beginning to form.
Baby's crown to rump length 1/4 of an inch (6 mm) long - about half the size of a baby pea!
Week7: A crucial stage in the babys development- the eyes and ears develop significantly, fingers and toes sprout out (initially they are webbed), brain divides into sections, buds develop which will later form his/her teeth.
Highlights of Week7:
Morning sickness and Nausea. Possibility of Migraine headaches.
Avoid anyone with Rubella (German measles) or Chickenpox.
Your baby’s mouth and lips have formed. Your baby’s eyelids and toes form.
Your baby’s nose is distinct.
Cook all poultry and meat thoroughly so that there is no trace of pink or blood)
Check out your rights to antenatal care, leave from work and benefits.
Baby is about 12 mm or 0.50 inches long & weighs about 0.035 oz (1 gram) - about the size a blueberry!
Week8: Babys head is huge in comparison to the body since the brain is rapidly developing. Ears sprout at the side of the head, and also a bud for the tongue. Also the testicles or ovaries form.
Highlights of Week8:
All of your baby’s organs are now in place.
Certain smells can make you feel queasy.
Your uterus is now about the size of a grapefruit.
Baby’s fingerprints begin to form.
Your baby's hands and feet are shaped like paddles.
Your baby begins to hear.
Baby is about 20 mm or 0.75 inches long & weighs about 0.07oz (2 grams) - about the size of a raspberry!
Week9: Baby looks more human now- senses of touch have developed and he will be making grasping movements. Eyelids are also growing.
Highlights of Week9:
Your baby is about the size of a cherry!
Your baby’s teeth begin to form
Your baby’s heart has developed.
Your skin might begin to break out in spots. Darkening of areolas (the skin around the nipples) can occur.
Your baby’s fingernails develop.
Your baby's heart has 140-150 beats every minute - about twice as many as yours!
Baby is about 2.5-3cm or 1.2 inches long & weighs about .25 oz (7.08 grams) - about the size of a cherry!
Week10: Babys major organs have formed- ears - both inner and outer- lips and neck are all visible.- and also the genitals are forming now.
Highlights of Week10:
Your clothes beginning to feel tight. Backache can occur.
Your baby can hiccup!
Your baby can now turn its head
The external genitalia begin to appear this week. Will you have a Boy or Girl?
Your baby can now frown
The embryonic period is over and the fetal period begins
Baby is about 3-5cm or 1.2-2 ins long & weighs about 0.28 oz (8 grams) - about the size of a prune!
Week11: Your baby doubles in size and the fingers and toes loose their webbing. Circulatory and urinary systems are working. Baby is also swallowing and sucking.
Highlights of Week11:
Start selecting comfortable clothes for your pregnancy! You may start to experience frequent urination
Your baby can "breathe" amniotic fluid and urinate
Baby boys begin producing testosterone
Your baby now has a skeletal structure, nerves, and circulation
A dark line of pigmentation running down from your naval may appear
Baby is about 5-6cm or 2-2.4 inches long & weighs about 0.5 oz (14 grams) - about the size of a lime!
Congratulations! You have completed your first trimester
Week12: Baby is fully formed. The placenta is also fully functional.
Highlights of Week12:
End of your first Trimester
Your baby now has vocal cords
Ask to hear your baby's heartbeat which is checked with a Doppler
Morning sickness can often ease at this point
You become forgetful! Start to write things down!
Your baby can suck its thumb
Baby is about 7-9cm or 3-3.5 inches long & weighs about 1.25 oz (35 grams) - about the size of a plum!
Week13: Baby eyes are moving in close together; the intestines which were formed outside the body now located inside the abdomen. You may not feel him/her but he can feel you and will respond to your touch with a tiny jerk.
Highlights of Week13:
Start of your second Trimester. During the second trimester, the development of the baby can be more easily monitored and diagnosed.
Your teeth and gums need extra care in pregnancy
Dry skin often occurs try a good moisturiser
Feeling faint is a common problem in pregnancy
Your baby's hair follicles develop
Everyday your baby’s heart pumps several quarts of blood through its body
Baby is about 9-10cm or 3.5-4 inches long & weighs about 1.75 oz (50 grams) - about the size of a peach
Week14: Baby now has finger nails, toe nails and hair- her movements are becoming more sophisticated and she is practicing inhaling and also urinating in the womb! She may also be able to suck her thumb, toes!
Highlights of Week14:
Movement, or "quickening", can occur as early as this week
Headaches are common, but if severe see your doctor
A long soak in the bath will help to ease your aches and twinges
Bone Marrow is now beginning to form
Get to know who’s who in your maternity team
Your baby is able to make facial expressions
Baby is about 10-11cm or 4.43 inches long & weighs about 3.5 oz (100 grams) - about the size of a tangerine!
Week15: Taste buds are sprouting- and layers of fat are developing. Alot of movements are now visible although may not be felt.
Highlights of Week15:
Morning sickness often disappears at this time
Your baby has the same taste buds as an adult
Decide whether you want to be told whether your baby is a boy or a girl
Itching is common in pregnancy
Fine downy hair, called lanugo, is starting to appear on your baby’s skin
Do not take any medication without checking the labels
Baby is about 11-12cm or 5 inches long & weighs about 3.5-5.3 oz (100-150 grams) - about the size of a lemon
Week16: Bones are hardening. Also she is now able to lift her neck and head in a more upright position.
Highlights of Week16:
Those famous food cravings can really kick in at this time!
A scan will show whether your baby is a boy or girl
Pregnancy hormones are kicking in - beware mood swings!
Make an appointment with your dentist
Your waist has probably vanished!
Changes in vision can occur, another crazy pregnancy symptom!
Baby is about 13.5cm or 5.3 inches long & weighs about 5.3-7 oz (150-200 grams) - about the size of an avocado!
Week17: Babys sex can now be told. Blood circulation is well established and the umbilical cord becomes longer and thicker to transport oxygen and nutrients.
Highlights of Week17:
You will start to notice your baby’s movements
Feeling hot is a common side effect of pregnancy
Your baby's reflexes provide the ability to suck, swallow and blink
Your baby can have dream (REM) sleep
Low blood sugar can result in dizziness
At this point you might need to consider wearing maternity or loose fitting clothes
Baby is about 15cm or 6 inches long & weighs about 8.5 oz (250 grams) - about the size of an apple!
Week18: Digestive system under development. Babys legs longer than the arms. Continually adding layers of fat.
Highlights of Week18:
Everyone's bump is different- quite big or hardly showing at all
You will probably be offered a detailed scan at 18-21 weeks
There are often changes to your skin and hair during pregnancy
Start to gather facts and info about feeding your baby
Your baby's eyes are looking forward rather than out the sides of the head
Your uterus is just below your belly button now. You might suffer with constipation.
Baby is about 16cm or 6.3 inches long & weighs about 10.5 oz (300 grams) - about the size of a small grapefruit!
Week19: Babys skin covered in a white waxy substance- protect her skin from being waterlogged and also scratches from her finger nails. Sensory development is at peak. Reproductive system fully developed.
Highlights of Week19:
Avoid eating anything just before bed time. Heartburn can become a common problem.
Make sure you rest – sleeplessness is common in pregnancy
Elevate your feet and legs when resting or sitting to help with swelling
Your baby’s brain begins to specialize in taste, smell, vision, hearing and touch
Try some gentle stretches to improve your flexibility and relax you
Baby is about 18cm or 7 inches long & weighs 10.5-12.3 oz (300-350 grams) - about the size of a mango!
You’re nearly halfway through your pregnancy!
Week20: Babys ears are well formed and she is now able to hear sounds from the outside world. All structures fully formed, she will now continuously gain fat. She is half the length she will be at birth.
Highlights of Week20:
You are half way through your pregnancy! Congratulations!
Baby recognizes its' mothers voice
Consider whether you want to find out the gender of your baby
Your belly button may pop out as your uterus presses upwards
Your baby has developed sleep and waking patterns
Make sure you get enough rest - feelings of fatigue are common at this time
Baby is about 19cm or 7.5 inches long & weighs about 12.3-15 oz (350-425 grams) - about the size of a small cantaloupe melon!
Week21: Baby opens and closes mouth regularly. Fingernails grown to the edge of the finger. Also waste products are passed back into your blood stream for excretion. Lungs are still under development.
Highlights of Week21:
Start your birth plan
Decide how you want to feed your baby
Your baby can hear you- sing, talk or read to your baby
You might be suffering from constipation
The hair on your baby’s head is becoming more visible
You should feel more emotionally stable now!
Baby is about 20cm or 7.9 inches long & weighs 15oz-1.1lbs (425-500 grams) - about the size of a large cantaloupe melon!
Week22: Pancreas under development. Can clearly distinguish your voice from that of your partners.
Highlights of Week22:
Your heart rate increases during this week of pregnancy
At this point you might feel less tired and have more energy
Heartburn and indigestion are common in pregnancy
Your baby is getting more wrinkles at this point
An average pregnant woman only needs about 300 extra calories each day
Your baby's fingers have developed the sense of touch
Baby is about 21cm or 8.3 inches long & weighs about 1.1-1.3lbs (500-600 grams) about the size of a small papaya!
Week23: Baby has developed a routine for waking up, sleeping etc. Still small enough to freely move around the womb.
Highlights of Week23:
Complete your birth plan
Make sure that you are aware of the safety standards for baby products
The baby's finger nails are almost fully formed
Piles, or haemorrhoids, commonly occur during pregnancy
Your baby’s skin is less translucent now
Baby is about 22cm or 8.7 inches long & weighs about 1.3-1.5lbs (600-700 grams) about the size of a medium papaya!
Make sure you have light exercise
Week24: Baby is now viable- thus chances of survival if she were to be born now- although with the days, the lungs will develop to function as required.Skin is still transparent and fragile with the organs, blood vessels etc showing but this will thicken until it becomes opaque like yours.
Highlights of Week24:
It may be a few more weeks before someone else can feel your baby move
The top of your uterus reaches just above your navel!
Remember to give notice to your employer
Have a cat-nap in the afternoon if you can
It’s important to drink lots of water
Your uterus is about the size of a soccer ball
Baby is about 23cm or 9 inches long & weighs about 1.5-1.75lbs (700-800 grams) - about the size of a large papaya!
Week25: Babys brain is developing into layers, eyes are fully functional and may blink to outside noises etc. Sense of smell also developing. Lungs are also still developing.
Highlights of Week25:
You are in the prime of your pregnancy – you’re blooming! However Braxton Hicks contractions can occur. These are a tightening of the uterine muscles for one to two hours
Start preparing the nursery – decoration and furniture
Your baby's skin is red and wrinkled
Stretch marks can appear but usually fade after the birth
Your baby’s bones are becoming stronger
Veins are visible through your baby's skin
Baby is about 24cm or 9.4 inches long & weighs about 1.8-2.2lbs (850-1000 grams) - about the size of a small eggplant or aubergine
Week26: Babys nostrils are opening up so she can breathe through her nose and mouth. Eyes are developing the ability to focus. You will now feel her and also be able to make out a protruding hand or foot.
Highlights of Week26:
Friends and family will be able to feel the baby moving
Your baby can hear you and other people
Your baby is able to cry
Use additional pillows to support your legs and your growing tummy!
You might feel you baby move in response to a sudden noise
Baby is about 25cm or 9.8 inches long & weighs about 2.2-2.4lbs (1000-1100 grams) - about the size of a medium eggplant or aubergine
The navel can sometimes becoming convex and "popping" out due to the expanding abdomen
Week27: Nervous system well developed to control some of his body functions.Brain is growing rapidly, You can now expect alot of kicks.
Highlights of Week27:
This is the time when you will really gain weight
Swollen ankles, feet and fingers are common at this stage in pregnancy
Your baby is able to open and close their eyes
Discuss Maternity leave with your employer
You may notice some shortness of breath as your baby grows bigger
Your baby's looks very similar to how they'll be at birth
Baby is about 26cm or 10.2 inches long & weighs about 2.4-2.75lbs (1100-1250 grams) - about the size of a large eggplant or aubergine
Week28: Respiratory system still under developed.
Highlights of Week28:
You will probably begin to see your doctor every 2 weeks from now on. Leg cramps become common at this stage
Get ready to stop work.
Make plans with your employer if you wish to return to work
Decide when and if you would like a Baby Shower
Start discussing your ideas and plans for giving birth
Choose a close friend or family member to plan your Baby Shower
Baby is about 27cm or 10.6 inches long & weighs about 2.8-3.1lbs (1300-1400 grams) - about the size of a large eggplant or aubergine
Congratulations! You have finished your second trimester
Week29: All senses are developing well. He is sensitive to sounds, light, taste and smell and may indicate preferences to certain tastes or smells.
Highlights of Week29:
Start of your third Trimester. From the beginning of the third trimester the baby is able to survive, with or without medical help, outside of the womb.
Decide on feeding equipment
Decide who you would like as your birth partner. Send out Baby Shower invitations
Light headed spells referred to as the 'spins'.
Purchase changing equipment for your baby
Your baby’s eyelashes are developing
Baby is about 28cm or 11 inches long & weighs about 3.3-3.5lbs (1500-1600 grams) - about the size of a small squash!
Week30: Bone marrow taking over production of red blood cells. Babys length will stop at one point but weight gain continues and also amount of amniotic fluid decreases with time. Fat stores increase that help to regulate body temperature. First bowel movements also being formed in the intestines.
Highlights of Week30:
Select any baby furniture you might need
Your point of gravity continues to change
Good posture will help to reduce the strain
Select some bathing equipment for your baby
Decide what you will need when you take your baby out and about
Increase your stamina for the birth by increasing your exercise
Baby is about 29cm or 11.4 inches long & weighs about 3.75-4lbs (1700-1800 grams) - about the size of a medium squash!
Week31: Lungs fully developed though not matured yet. Bones fully developed and he will be building his stores of calcium and iron. Also constant weight gain is to expected as he adds on layers of fat. It is possible that your baby may have also turned upside down ready for birth- however do not be concerned if this is not the case as some babies leave it for dooms day!
Highlights of Week31:
Additional pregnancy symptoms may occur such as heartburn and leg cramps
Buy some baby clothes
Your baby begins storing calcium, iron and phosphorous
Your baby’s eyes respond to light
Your baby appears less red and wrinkled
Your baby might have grown a full head of hair
Baby is about 30cm or 11.8 inches long & weighs about 4.2-4.4lbs (1900-2000 grams) - about the size of a large squash!
Week32: Baby continues growing and developing as do the lungs. Also if your baby is a boy, his testicles will descend at this stage.
There will be an increased amount of instances when feel the baby kicking
The muscles of your uterus will practice contracting and relaxing These painless muscle movements are called Braxton-Hicks contractions
Your baby is losing its wrinkles
Your baby now has hair
Are you waddling? The hip joints and sometimes cause this effect
Have you started to choose baby names?
Baby is about 31cm or 12.2 inches long & weighs about 4.6-5lbs (2100-2250 grams) - about the size of a large squash!
Week33: Babys skin color has changed from red to pink and also smoother as he continues to add layers of fat. Hes immune system is able to protect him from infections.
Highlights of Week33:
Labour that starts before 37 weeks is considered premature
Make sure that you know all the starting signs for giving birth
Have you fitted a car seat for the baby?
Pack your bags ready for the birth of your baby
Find out what happens in each of the three stages of giving birth
Discuss pain relief options during the birthing process
Baby is about 32/33cm or 13 inches long & weighs about 5.2-5.6lbs (2350-2550 grams) - about the size of a small honeydew melon!
Week34: The digestive and intestinal systems are fully functional now although they will continue to mature until the age of 2. Lungs are nearly fully developed and her 1st bowel movement is ready to be passed out. Placenta starts aging now but still continues its function.
Highlights of Week34:
Your baby has the maturity to adapt to living outside of the womb
Your baby is developing its immune system
Your body is getting ready and you may experience more contractions
Your baby's body has begun to fill out with the formation of fat under the skin
Remember to pack your camera!
Many baby's eyes are blue at birth, but change colors later
Baby is about 34cm or 13.4 inches long & weighs about 5.7-6lbs (2600-2750 grams) - about the size of a medium honeydew melon!
Week35: Baby continues adding fat and walls of your uterus and abdomen are stretched more than ever.
Highlights of Week35:
You gain weight at a slightly faster rate
Your baby is developing its immune system
Your body is getting ready and you may experience more contractions
Pelvic girdle pain or hip pain accompanied with back pain is very common
Make last touches to the nursery!
Frequent urination or heartburn
Baby is about 34cm or 13.4 inches long & weighs about 5.7-6lbs (2600-2750 grams) - about the size of a large honeydew melon!
Week36: Fat adding continues.. At the end of this week your baby will be full term!
Highlights of Week36:
A pregnancy is considered a "term" pregnancy at this point. For some women, walking becomes difficult
You will probably see your practitioner every week until you give birth
Check you have everything you will need in your hospital bag
Most babies now adopt a head down position
Find out at what point you should go to the maternity unit or call for assistance
Your practitioner might take a guess at the weight of your baby
Baby is about 35-36cm or 13.8-14.2 inches long & weighs about 6.6-6.8lbs (3000-3100 grams) - about the size of a large honeydew melon!
Week37: Baby has now moved into your pelvic cavity and in the upside down position ready for birth, This position also helps for the legs to grow further. He may have some hair on his head, and the hair that was covering his body for warmth has now fallen off though you may find traces on the back of his neck and shoulders. Also the white waxy substance may still also be present. At this stage your babies lungs will function without help, and he also has enough fat to keep him warm.
Highlights of Week37:
98% of women will give birth 2 weeks before or 2 weeks after their due date. Your body will now start preparing for labor and this is done by dilation of the cervix
Your baby might get hiccoughs!
Give some thought to breast feeding
Check that you have bought everything you need for your baby
Your baby's skeleton is more flexible making the birth easier
Make a phone list of everyone that needs to be called after the birth
Baby is about 36-37cm or 14.2-14.6 inches long & weighs about 7-7.2lbs (3200-3250 grams) - about the size of a small watermelon!
Week38: Fat stores still piling up.
Highlights of Week38:
Hooray! Your weight gain has slowed down or stopped
Your doctor will likely schedule an induction if you go past 41-42 weeks
Baby may be gaining as much as 1 oz (about 28 grams) a day at this point!
In the days before birthing begins you may also experience some symptoms
Possible symptoms – small ‘show’ of blood
Possible symptoms – strong 'nesting' instinct
Baby is about 37-38cm or 14.6-15 inches long & weighs about 7.5-7.6lbs (3400-3450 grams) - about the size of a medium watermelon!
Week39: Another growth spurt and new skin is forming under neath the outer layers.
Highlights of Week39:
You’re almost there! Your baby is about the size of a watermelon!
Possible symptoms - loose stools and loss of weight
Have you decided on your baby’s name?
98% of women will give birth 2 weeks before or 2 weeks after their due date
Less than 10% of women's water breaks before the onset of birthing
Only about 4% of women will actually give birth on their due date
Week40: Tissues of your babys eyes develop. This is the last of the 5 senses to mature and even at birth your baby will see only blurred. The color of the iris will only settle when she is 9 mnths old and may be blue-grey at birth.
Congratulations you have reached your due date!
Week41:Last layers of fat being added till her arrival time to help her regulate her body temperature. Weight should be approx 8 pounds and a height of 20inches!
