Pregnancy and newborn answers, in one place.

Expecting: your baby, week by week

About how big your baby is each week. Sizes are approximate and every baby is different. Ask your doctor about yours.

Week 20

Banana

Second trimester

Your body this week

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Is my baby's weight okay?

Enter the estimated weight from your scan report to see where it sits.

Based on the INTERGROWTH-21st fetal growth standards (Stirnemann et al., 2016). The 30th, 70th and 99th values are worked out from that published table. A scan's weight is an estimate and can be off by 10% or more. This does not replace your doctor. After birth, your paediatrician tracks weight on different charts.

  1. Week 4: Poppy seed
  2. Week 5: Sesame seed
  3. Week 6: Lentil
  4. Week 7: Blueberry
  5. Week 8: Kidney bean
  6. Week 9: Grape
  7. Week 10: Strawberry
  8. Week 11: Fig
  9. Week 12: Lime
  10. Week 13: Peach
  11. Week 14: Lemon
  12. Week 15: Apple
  13. Week 16: Avocado
  14. Week 17: Pear
  15. Week 18: Capsicum
  16. Week 19: Mango
  17. Week 20: Banana
  18. Week 21: Carrot
  19. Week 22: Papaya
  20. Week 23: Grapefruit
  21. Week 24: Corn on the cob
  22. Week 25: Turnip
  23. Week 26: Lettuce
  24. Week 27: Cauliflower
  25. Week 28: Brinjal
  26. Week 29: Butternut squash
  27. Week 30: Cabbage
  28. Week 31: Coconut
  29. Week 32: Bottle gourd
  30. Week 33: Pineapple
  31. Week 34: Cantaloupe
  32. Week 35: Honeydew melon
  33. Week 36: Romaine lettuce
  34. Week 37: Swiss chard
  35. Week 38: Leek
  36. Week 39: Mini watermelon
  37. Week 40: Small watermelon

What else would you like in Expecting?

See what other parents are asking for, and add your own.

New parents

Three things that make the first months easier. General information only, not medical advice.

What else would you like in the first year?

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