Pregnancy week by week
Forty weeks. No doom-scroll.
What's happening to your baby. What's happening to you. When the heartbeat starts to come through your phone. A journal prompt for each week. Pick a week to start.
The full timeline
🌱
Week
4
Size
Poppy seed
0.04″ · <0.01oz
Implantation. The first cells of your baby are nestling into the uterus.
🌿
Week
6
Size
Sweet pea
0.25″ · <0.01oz
The heart starts to beat — though far too quiet to hear from outside.
🫐
Week
8
Size
Raspberry
0.6″ · 0.04oz
All major organs are forming. Fingers and toes are beginning to separate.
🍓
Week
10
Size
Strawberry
1.2″ · 0.14oz
Officially a fetus, no longer an embryo. Vital organs are functioning.
🍋
Week
12
Size
Lime
2.1″ · 0.5oz
End of the first trimester. The miscarriage risk drops significantly. Time to tell people, if you want to.
🍋
Week
14
Size
Lemon
3.4″ · 1.5oz
Welcome to the second trimester. The golden window starts here.
🥑
Week
16
Size
Avocado
4.6″ · 3.5oz
Heartbeat is now strong enough to hear via office doppler — and sometimes via Cudly.
🫑
Week
18
Size
Bell pepper
5.6″ · 6.7oz
Quickening — some women feel first flutters this week.
🍌
Week
20
Size
Banana
10.1″ · 11.7oz
Halfway there. Anatomy scan happens this week or next.
🥭
Week
22
Size
Papaya
11″ · 15.2oz
Baby has well-developed eyebrows, fingernails, lips. They look like a tiny person.
🍈
Week
24
Size
Cantaloupe
11.8″ · 21oz
Viability week. If born now, baby has a real chance with NICU care.
🍆
Week
28
Size
Eggplant
14.8″ · 35.3oz
Welcome to the third trimester.
🎃
Week
32
Size
Squash
16.7″ · 63.8oz
Baby is practicing breathing motions.
🥬
Week
36
Size
Romaine lettuce
18.7″ · 92.6oz
Term-ish. Baby could come at any time and be fine.
🍉
Week
40
Size
Watermelon
20.2″ · 127.9oz
Your due date. Most babies are born within 2 weeks either side.
Start your pregnancy story today.
Record your baby's heartbeat, write down the day, watch your weeks unfold. Free to download — no doppler, no ads, no data selling.