Calm answers, from bump to baby.

A pregnancy and baby companion for iPhone. Week by week, then day by day after birth.

Coming soon to the App Store

It's 2am, and you have a question you don't want to wake anyone for.

Ask the Companion. It answers gently, and if something needs your maternity unit tonight, it says that first.

Recorded in the app. 5 free questions a day, more with Premium.

Forty weeks

Measured, week by week.

A newborn asleep inside an opening flower, the Bloom emblem.

Typical sizes. Length is measured crown to rump until week 19, then head to heel.

  1. Week 4 About a poppy seed0.1 cm (0.04 in)
  2. Week 5 About a sesame seed0.2 cm (0.08 in)
  3. Week 6 About a lentil0.5 cm (0.2 in)
  4. Week 7 About a blueberry1 cm (0.4 in)
  5. Week 8 About a raspberry1.6 cm (0.6 in)~1 g (0.035 oz)
  6. Week 9 About a cherry2.3 cm (0.9 in)~2 g (0.071 oz)
  7. Week 10 About a strawberry3.1 cm (1.2 in)~4 g (0.14 oz)
  8. Week 11 About a fig4.1 cm (1.6 in)~7 g (0.25 oz)
  9. Week 12 About a lime5.4 cm (2.1 in)~14 g (0.49 oz)
  10. Week 13 About a lemon7.4 cm (2.9 in)~23 g (0.81 oz)
  11. Week 14 About a peach8.7 cm (3.4 in)~43 g (1.5 oz)
  12. Week 15 About an apple10 cm (3.9 in)~70 g (2.5 oz)
  13. Week 16 About an avocado12 cm (4.7 in)~100 g (3.5 oz)
  14. Week 17 About a pear13 cm (5.1 in)~140 g (4.9 oz)
  15. Week 18 About a bell pepper14 cm (5.5 in)~190 g (6.7 oz)
  16. Week 19 About a mango15 cm (5.9 in)~240 g (8.5 oz)
  17. Week 20 About a banana25 cm (9.8 in)~300 g (11 oz)
  18. Week 21 About a carrot27 cm (10.6 in)~360 g (13 oz)
  19. Week 22 About a papaya28 cm (11 in)~430 g (15 oz)
  20. Week 23 About a grapefruit29 cm (11.4 in)~500 g (1 lb 2 oz)
  21. Week 24 About an ear of corn30 cm (11.8 in)~600 g (1 lb 5 oz)
  22. Week 25 About a rutabaga35 cm (13.8 in)~660 g (1 lb 7 oz)
  23. Week 26 About a zucchini36 cm (14.2 in)~760 g (1 lb 11 oz)
  24. Week 27 About a cauliflower37 cm (14.6 in)~875 g (1 lb 15 oz)
  25. Week 28 About an eggplant37 cm (14.6 in)~1 kg (2 lb 3 oz)
  26. Week 29 About a butternut squash39 cm (15.4 in)~1.15 kg (2 lb 9 oz)
  27. Week 30 About a cabbage40 cm (15.7 in)~1.3 kg (2 lb 14 oz)
  28. Week 31 About a coconut41 cm (16.1 in)~1.5 kg (3 lb 5 oz)
  29. Week 32 About a squash42 cm (16.5 in)~1.7 kg (3 lb 12 oz)
  30. Week 33 About a pineapple44 cm (17.3 in)~1.9 kg (4 lb 3 oz)
  31. Week 34 About a cantaloupe45 cm (17.7 in)~2.1 kg (4 lb 10 oz)
  32. Week 35 About a honeydew melon46 cm (18.1 in)~2.4 kg (5 lb 5 oz)
  33. Week 36 About a head of romaine47 cm (18.5 in)~2.6 kg (5 lb 12 oz)
  34. Week 37 About a bunch of Swiss chard49 cm (19.3 in)~2.9 kg (6 lb 6 oz)
  35. Week 38 About a leek50 cm (19.7 in)~3.1 kg (6 lb 13 oz)
  36. Week 39 About a small watermelon51 cm (20.1 in)~3.3 kg (7 lb 4 oz)
  37. Week 40 About a pumpkin51 cm (20.1 in)~3.5 kg (7 lb 11 oz)

For the days in between.

Small, careful tools for the questions that come up.

Food Scanner

Brie, crackers and grapes on a board.The Food Scanner result for brie.

Brie: some caution. Enjoy it baked until steaming hot.

Snap a meal and get general guidance, with the reason. One free try, then Premium.

Report Explainer

A printed blood test result beside a cup of tea.The Report Explainer on a glucose tolerance test.

2-hour glucose, 7.9 mmol/L: worth asking about.

Upload a result and get plain words and questions for your midwife. One free try, then Premium.

Kick Counter

A pregnant woman in a knitted dress holding her bump.The Kick Counter with recent sessions.

10 movements in 10 minutes.

Count movements and keep your recent sessions in one place.

Journal

A hand holding an ultrasound print on a blanket.The Bloom journal with a memory card.

Hello, bump. Week 24.

Daily check-ins and keepsakes, private to your phone.

Also a contraction timer, appointment reminders and a summary to take to your doctor.

And it keeps going after birth.

The day your baby arrives, Bloom becomes a baby tracker: feeds, sleep, diapers, growth on WHO charts, milestones, vaccinations and first foods. And a gentle check-in for you, too.

A pregnant woman in a sunlit bedroom.
A sunlit nursery with a white crib.
Bloom after birth: feeding, sleep and diapers at a glance.
Your journal comes with you.

Private by design.

Yours alone
Your journal, check-ins and measurements stay on your iPhone.
AI only when you ask
Only the message or photo you send goes to Google's Gemini, and we ask you first.
Never sold
We don't sell or trade your data. Not now, not ever.
Delete anytime
Remove everything from Settings with one tap.

Find your week.

Enter your due date to see your baby's size today.

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Coming soon to the App Store