track your pregnancy

Find out how your baby is developing week by week with the Sister Lilian Centre pregnancy tracker. Always remember that these milestones and developmental steps are just guidelines, but they will give you a good peek into your baby’s first room, the womb, and what is going down there.

track your pregnancy

Find out how your baby is developing week by week with the Sister Lilian Centre pregnancy tracker. Always remember that these milestones and developmental steps are just guidelines, but they will give you a good peek into your baby’s first room, the womb, and what is going down there.

first trimester

week 1

You aren’t pregnant yet, but your estimated due date is calculated according to the first day of your last period. This is considered week 1 of pregnancy.

Read more…

week 2

Ovulation may occur this week. Believe it or not, your baby still hasn’t actually been conceived, although you are still technically pregnant.

Read more…

week 3

Conception takes place in your fallopian tubes this week and the two cells that unite start dividing and growing rapidly.

Read more…

week 4

The rapidly-growing embryo is dividing into inner and outer clusters and doubles in size every single day at this stage.

Read more…

week 5

You may still not even know you’re pregnant, but the cells that will form Baby’s brain, vital organs, and digestive system have all formed.

Read more…

week 6

By now, Baby is about 4mm long, and you can see him or her with the naked eye. You may even be able to hear a heartbeat.

Read more…

week 7

Baby almost doubles in length, and the brain, which is the first organ to develop, grows by 25%. Leg buds also emerge this week.

Read more…

week 8

This is a big week for Baby’s development. Baby is essentially a complete human being at this stage, although still tiny!

Read more…

week 9

Baby may double in size this week, as the cartilage skeleton begins to be replaced by bone cells. Baby’s toes also start developing.

Read more…

week 10

Baby’s heart is fully developed; it now has all four chambers, and it beats between 120 and 140 beats per minute!

Read more…

week 11

Tiny fingernails start forming this week. Baby’s head also becomes rounder and is now almost half of Baby’s entire body size.

Read more…

week 12

Baby can scrunch his little face, and all organs and systems found in a newborn are now present. Baby’s fingers and toes are all fully formed.

Read more…

first trimester

week 1

You aren’t pregnant yet, but your estimated due date is calculated according to the first day of your last period. This is considered week 1 of pregnancy.

Read more…

week 2

Ovulation may occur this week. Believe it or not, your baby still hasn’t actually been conceived, although you are still technically pregnant.

Read more…

week 3

Conception takes place in your fallopian tubes this week and the two cells that unite start dividing and growing rapidly.

Read more…

week 4

The rapidly-growing embryo is dividing into inner and outer clusters and doubles in size every single day at this stage.

Read more…

week 5

You may still not even know you’re pregnant, but the cells that will form Baby’s brain, vital organs, and digestive system have all formed.

Read more…

week 6

By now, Baby is about 4mm long, and you can see him or her with the naked eye. You may even be able to hear a heartbeat.

Read more…

week 7

Baby almost doubles in length, and the brain, which is the first organ to develop, grows by 25%. Leg buds also emerge this week.

Read more…

week 8

This is a big week for Baby’s development. Baby is essentially a complete human being at this stage, although still tiny!

Read more…

week 9

Baby may double in size this week, as the cartilage skeleton begins to be replaced by bone cells. Baby’s toes also start developing.

Read more…

week 10

Baby’s heart is fully developed; it now has all four chambers, and it beats between 120 and 140 beats per minute!

Read more…

week 11

Tiny fingernails start forming this week. Baby’s head also becomes rounder and is now almost half of Baby’s entire body size.

Read more…

week 12

Baby can scrunch his little face, and all organs and systems found in a newborn are now present. Baby’s fingers and toes are all fully formed.

Read more…

second trimester

week 13

You’ve made it to the second trimester! Baby will now start changing posture, stretching and exercising their arm and leg muscles.

Read more…

week 14

Baby now has his or her own set of unique fingerprints and will respond to bright light through your abdominal wall.

Read more…

week 15

Baby’s individual footprints start forming on the soles of their feet this week! Baby may change position often, but you still won’t be able to feel this.

Read more…

week 16

By now, you may be able to identify Baby’s gender on sonar! Baby also starts growing hair, and tiny eyelashes start developing.

Read more…

week 17

Baby’s muscles become increasingly strong is he or she moves about. Some women can feel this, but mostly you won’t feel Baby’s movements just yet.

Read more…

week 18

By now you may be able to pick up on your baby’s sleep patterns. If you’re having a little girl, her ovaries will have already formed millions of eggs!

Read more…

week 19

Baby’s head circumference is about 16.4cm, and he or she will now begin to open and close their eyelids which have been closed since about Week 10!

Read more…

week 20

Baby, who has now reached about half his or her birth length, may begin to move whenever they hear your voice, Mom!

Read more…

week 21

Baby’s eye movement now becomes more sophisticated – his or her eyes can dart about or scan slowly. Baby may grasp and touch the umbilical cord often.

Read more…

week 22

It’s around this stage that you may start to feel Baby’s movement. At first, it may feel like little bubbles or butterflies in your belly.

Read more…

week 23

Baby now weighs about 450g and is covered in fine silky body hair called lanugo. This hair helps protect Baby is the womb.

Read more…

week 24

Baby’s eyes are now structurally complete and light-sensitive, and he or she will blink when they’re startled by loud noises!

Read more…

week 25

By now you should feel about 10 periods of movement a day, but these could still be quite gentle for another few weeks.

Read more…

week 26

Baby has now grown teeny little toenails and can nod and shake his or her head. Baby’s sense of smell also starts developing.

Read more…

week 27

Baby weighs about 1kg now and is 32cm long! He or she may start somersaulting in your womb, too – can you feel it?

Read more…

week 28

Baby can now smell some scents that you do, Mom, and they’re able to tell the difference between sweet and sour tastes.

Read more…

second trimester

week 13

You’ve made it to the second trimester! Baby will now start changing posture, stretching and exercising their arm and leg muscles.

Read more…

week 14

Baby now has his or her own set of unique fingerprints and will respond to bright light through your abdominal wall.

Read more…

week 15

Baby’s individual footprints start forming on the soles of their feet this week! Baby may change position often, but you still won’t be able to feel this.

Read more…

week 16

By now, you may be able to identify Baby’s gender on sonar! Baby also starts growing hair, and tiny eyelashes start developing.

Read more…

week 17

Baby’s muscles become increasingly strong is he or she moves about. Some women can feel this, but mostly you won’t feel Baby’s movements just yet.

Read more…

week 18

By now you may be able to pick up on your baby’s sleep patterns. If you’re having a little girl, her ovaries will have already formed millions of eggs!

Read more…

week 19

Baby’s head circumference is about 16.4cm, and he or she will now begin to open and close their eyelids which have been closed since about Week 10!

Read more…

week 20

Baby, who has now reached about half his or her birth length, may begin to move whenever they hear your voice, Mom!

Read more…

week 21

Baby’s eye movement now becomes more sophisticated – his or her eyes can dart about or scan slowly. Baby may grasp and touch the umbilical cord often.

Read more…

week 22

It’s around this stage that you may start to feel Baby’s movement. At first, it may feel like little bubbles or butterflies in your belly.

Read more…

week 23

Baby now weighs about 450g and is covered in fine silky body hair called lanugo. This hair helps protect Baby is the womb.

Read more…

week 24

Baby’s eyes are now structurally complete and light-sensitive, and he or she will blink when they’re startled by loud noises!

Read more…

week 25

By now you should feel about 10 periods of movement a day, but these could still be quite gentle for another few weeks.

Read more…

week 26

Baby has now grown teeny little toenails and can nod and shake his or her head. Baby’s sense of smell also starts developing.

Read more…

week 27

Baby weighs about 1kg now and is 32cm long! He or she may start somersaulting in your womb, too – can you feel it?

Read more…

week 28

Baby can now smell some scents that you do, Mom, and they’re able to tell the difference between sweet and sour tastes.

Read more…

third trimester

week 29

Baby now weighs about 1,2kg. Every day, billions of neurons are being formed in Baby’s brain and central nervous system.

Read more…

week 30

This week, why not try to feel for Baby’s head through your belly? It will feel like a firm, smooth, rounded surface.

Read more…

week 31

The inner ear organs that help Baby to balance are now mature enough for Baby to control his or her own position in the womb.

Read more…

week 32

Fat layers are rapidly accumulating under Baby’s skin, making him or her all cuddly. Baby now weighs about 1,8kg and is about 45cm long.

Read more…

week 33

At this stage, Baby’s eyes move as if he or she is exploring your womb. Baby’s back is extremely flexible, allowing him or her to curl forward into the fetal position.

Read more…

week 34

Baby now weighs about 2kg and can tuck his or head so far forward that it reaches their hands at the abdominal level.

Read more…

week 35

By now, you should be able to see the skin creases on the palm of Baby’s hands. The brain continues to grow at a rapid pace.

Read more…

week 36

Baby starts gaining weight rapidly, and all the finishing touches start taking place as your due date draws steadily near.

Read more…

week 37

Baby may weigh as much as 3kg and be 50cm long. His or her skeleton starts to harden in preparation for birth.

Read more…

week 38

Baby’s movements may start to feel less vigorous as the womb becomes more cramped, but he or she should still follow their regular pattern.

Read more…

week 39

Baby’s head hair may be as long as 4,5cm by now, and his her skin will be very sensitive to touch all over their body.

Read more…

week 40

Fat layers will be deposited under Baby’s skin right up until you give birth. Hang in there, you’ll meet Baby any day now!

Read more…

third trimester

week 29

Baby now weighs about 1,2kg. Every day, billions of neurons are being formed in Baby’s brain and central nervous system.

Read more…

week 30

This week, why not try to feel for Baby’s head through your belly? It will feel like a firm, smooth, rounded surface.

Read more…

week 31

The inner ear organs that help Baby to balance are now mature enough for Baby to control his or her own position in the womb.

Read more…

week 32

Fat layers are rapidly accumulating under Baby’s skin, making him or her all cuddly. Baby now weighs about 1,8kg and is about 45cm long.

Read more…

week 33

At this stage, Baby’s eyes move as if he or she is exploring your womb. Baby’s back is extremely flexible, allowing him or her to curl forward into the fetal position.

Read more…

week 34

Baby now weighs about 2kg and can tuck his or head so far forward that it reaches their hands at the abdominal level.

Read more…

week 35

By now, you should be able to see the skin creases on the palm of Baby’s hands. The brain continues to grow at a rapid pace.

Read more…

week 36

Baby starts gaining weight rapidly, and all the finishing touches start taking place as your due date draws steadily near.

Read more…

week 37

Baby may weigh as much as 3kg and be 50cm long. His or her skeleton starts to harden in preparation for birth.

Read more…

week 38

Baby’s movements may start to feel less vigorous as the womb becomes more cramped, but he or she should still follow their regular pattern.

Read more…

week 39

Baby’s head hair may be as long as 4,5cm by now, and his her skin will be very sensitive to touch all over their body.

Read more…

week 40

Fat layers will be deposited under Baby’s skin right up until you give birth. Hang in there, you’ll meet Baby any day now!

Read more…

Browse Sister Lilian’s Books

Browse

Find a Midwife or Allied Health Professional in Your Area

Find