Your pregnancy week-by-week: Week 12

Pregnancy and Birth Midwife notes

If you're working, this is a good time to chat to your employer about plans for maternity leave and find out what you're entitled to so that you can plan ahead.

Average rating: 3 out of 5 star rating
You are now 12 weeks pregnant or in your 13th week if that's how you're counting it

How is my baby growing?

Now that you are 12 weeks pregnant your baby is about 6.5cm long, and weighs about 20g.

During this week your baby's face starts to look more recognisable because the eyes, which started out at the sides of the head, have moved closer together and the ears are now almost in the right position, too.

The liver and kidneys have also started to function, and although you can't feel it, your baby's reflexes have developed so it will now move when your tummy is prodded.

How are you feeling?

Now that you're at the end of the first trimester, feelings of sickness should start to pass and you're likely to feel more energetic.

A midwife can now feel your uterus at the bottom of your abdomen, and you may even begin to see the beginnings of a bump emerging.

Top tips

Your risk of miscarriage drops dramatically after the first 12 weeks, so this is the time that many mums-to-be decide to share the news about their pregnancy.

Where to next?

- Pregnancy week-by-week home
- Help during your 1st trimester
- Your pregnancy week by week in 3D scan pictures
- Baby names - ideas and meanings

Choose your week

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By Ceri Roberts

Your rating

Average rating:

3 out of 5 star rating

All pages in this article

  1. 1. Your pregnancy week-by-week
  2. 2. Your pregnancy week-by-week: Week 4
  3. 3. Your pregnancy week-by-week: Week 5
  4. 4. Your pregnancy week-by-week: Week 6
  5. 5. Your pregnancy week-by-week: Week 7
  6. 6. Your pregnancy week-by-week: Week 8
  7. 7. Your pregnancy week-by-week: Week 9
  8. 8. Your pregnancy week-by-week: Week 10
  9. 9. Your pregnancy week-by-week: Week 11
  10. 10. Your pregnancy week-by-week: Week 12
  11. 11. Your pregnancy week-by-week: Week 13
  12. 12. Your pregnancy week-by-week: Week 14
  13. 13. Your pregnancy week-by-week: Week 15
  14. 14. Your pregnancy week-by-week: Week 16
  15. 15. Your pregnancy week-by-week: Week 17
  16. 16. Your pregnancy week-by-week: Week 18
  17. 17. Your pregnancy week-by-week: Week 19
  18. 18. Your pregnancy week-by-week: Week 20
  19. 19. Your pregnancy week-by-week: Week 21
  20. 20. Your pregnancy week-by-week: Week 22
  1. 21. Your pregnancy week-by-week: Week 23
  2. 22. Your pregnancy week-by-week: Week 24
  3. 23. Your pregnancy week-by-week: Week 25
  4. 24. Your pregnancy week-by-week: Week 26
  5. 25. Your pregnancy week-by-week: Week 27
  6. 26. Your pregnancy week-by-week: Week 28
  7. 27. Your pregnancy week-by-week: Week 29
  8. 28. Your pregnancy week-by-week: Week 30
  9. 29. Your pregnancy week-by-week: Week 31
  10. 30. Your pregnancy week-by-week: Week 32
  11. 31. Your pregnancy week-by-week: Week 33
  12. 32. Your pregnancy week-by-week: Week 34
  13. 33. Your pregnancy week-by-week: Week 35
  14. 34. Your pregnancy week-by-week: 36 weeks pregnant
  15. 35. Your pregnancy week-by-week: Week 37
  16. 36. Your pregnancy week-by-week: Week 38
  17. 37. Your pregnancy week-by-week: Week 39
  18. 38. Your pregnancy week-by-week: Week 40
  19. 39. Your pregnancy week by week: Week 41+

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