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Liam 5.2%|
Olivia 3.1%|
Noah 1.4%|
Emma 2.8%|
Oliver 0.0%|
Charlotte 6.4%|
Elijah 2.1%|
Amelia 4.5%|
Mateo 8.9%|
Mia 0.5%|
Lucas 0.0%|
Isabella 1.2%|
Levi 10.5%|
Luna 7.8%|
Asher 3.3%|
Liam 5.2%|
Olivia 3.1%|
Noah 1.4%|
Emma 2.8%|
Oliver 0.0%|
Charlotte 6.4%|
Elijah 2.1%|
Amelia 4.5%|
Mateo 8.9%|
Mia 0.5%|
Lucas 0.0%|
Isabella 1.2%|
Levi 10.5%|
Luna 7.8%|
Asher 3.3%|
Liam 5.2%|
Olivia 3.1%|
Noah 1.4%|
Emma 2.8%|
Oliver 0.0%|
Charlotte 6.4%|
Elijah 2.1%|
Amelia 4.5%|
Mateo 8.9%|
Mia 0.5%|
Lucas 0.0%|
Isabella 1.2%|
Levi 10.5%|
Luna 7.8%|
Asher 3.3%|

Pregnancy Week by Week

Follow your baby's development and see what changes to expect in your body.

12
Theme:
🍑
Week 12

Baby is the size of a Plum

Reflexes are developing; baby can open and close their hands.

🧍‍♀️ Your Body

Your uterus is starting to lift out of the pelvic cavity, potentially reducing pressure on your bladder.

💡 Weekly Tip

The first trimester is almost over! Nausea might start to fade.

Interactive Development Map

Scroll to explore
Week 0

Too early to tell

Conception hasn't occurred yet. Your body is preparing for ovulation.

Week 1

Too early to tell

The first day of your last period marks the start of the pregnancy timeline.

Week 2

Too early to tell

Ovulation occurs, and fertilization may take place.

Week 3🌱

Vanilla Bean Seed

The blastocyst implants in the uterine lining.

Week 4🌑

Poppy Seed

The embryo is now a blastocyst; the neural tube is starting to form.

Week 5🍎

Apple Seed

The heart and circulatory system are developing.

Week 6🫛

Sweet Pea

Facial features like the jaw and chin are beginning to form.

Week 7🫐

Blueberry

The brain is growing rapidly, producing 100 new brain cells every minute.

Week 8🍇

Raspberry

Webbed fingers and toes are forming; the tail at the bottom of the spinal cord is disappearing.

Week 9🍒

Cherry

Baby is no longer an embryo—it's officially a fetus.

Week 10🍓

Strawberry

Tiny fingernails are starting to grow.

Week 11🫐

Fig

Your baby can now stretch and kick, though you can’t feel it yet!

Week 12🍑

Plum

Reflexes are developing; baby can open and close their hands.

Today's Focus

You are here!

Week 13🍋

Lemon

Vocal cords are forming and fingerprints are starting to appear.

Week 14🍑

Peach

Baby can make facial expressions and may start sucking their thumb.

Week 15🍎

Apple

Skeleton is changing from soft cartilage to bone.

Week 16🥑

Avocado

The heart is now pumping about 25 quarts of blood each day.

Week 17🔴

Pomegranate

Fat stores are starting to develop under the baby's skin.

Week 18🥬

Artichoke

Baby is busy flexing their arms and legs—you might feel it!

Week 19🥭

Mango

A protective coating called vernix caseosa is forming on baby's skin.

Week 20🍌

Banana

Halfway point! Baby is swallowing and practicing digestion.

Week 21🥕

Carrot

Baby’s kicks are getting stronger and more frequent.

Week 22🍈

Papaya

Baby is developing their senses and can respond to light and sound.

Week 23🍆

Eggplant

Lungs are producing surfactant, which will help them breathe after birth.

Week 24🍈

Cantaloupe

Inner ear is fully developed; baby can feel balance.

Week 25🥦

Cauliflower

Baby’s hair color and texture are becoming apparent.

Week 26🥬

Lettuce

Baby's eyes are beginning to open and they can blink.

Week 27🥔

Rutabaga

Baby is practicing inhaling and exhaling with amniotic fluid.

Week 28🍆

Eggplant (Large)

Baby is dreaming! Brain activity shows REM sleep cycles.

Week 29🫑

Acorn Squash

Baby's bones are fully developed, but still soft and pliable.

Week 30🥬

Cabbage

Baby is getting plumper and their skin is becoming smoother.

Week 31🥥

Coconut

All five senses are fully functional now.

Week 32🥔

Jicama

Baby is practicing opening and closing their eyes.

Week 33🍍

Pineapple

The skull bones are not yet fused, allowing them to overlap for birth.

Week 34🍈

Cantaloupe (Large)

Baby is moving head-down in preparation for birth.

Week 35🍈

Honeydew Melon

Baby is gaining about half a pound a week.

Week 36🥬

Romaine Lettuce

Baby is shedding the fine hair (lanugo) that covered their body.

Week 37🍉

Winter Melon

Baby is considered early term and their organs are ready to function.

Week 38🧅

Leek

Baby is shedding vernix; their skin is becoming less wrinkled.

Week 39🍉

Mini Watermelon

Baby is full term! Lungs are fully developed and ready to breathe.

Week 40🎃

Small Pumpkin

Baby is the size of a full-term newborn and ready for the world.

Week 41🍉

Watermelon

Baby is continuing to grow; placental function is monitored closely.

Week 42🍈

Jackfruit

Baby is officially post-term; induction is usually scheduled.

Weekly To-Do

0 / 3 Done

Want to save memories?

Take a bump photo this week and save it to your diary.

Open Bump Diary

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