You are 3 weeks and 1 day pregnant!

You have 36 weeks and 6 days to go!

Your Due Date Countdown

Your baby is due on Wednesday 23rd December, 2026

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Your baby is approximately the size of...

A pin head size
A pin head size
Share the size of your baby
Fun facts at three weeks
You:
  • Within hours of being fertilised, your egg will start to travel from your fallopian tube to your uterus. The fertilised egg will then divide into 16 identical cells.
Your baby:
  • Your baby is about 0.2cm (0.1 inches) in total length right now
  • Your baby weighs in at 0 grams

Your Pregnancy Weeks Dates Forecast

Trimester 1
  1. 25th Mar 2026 1 Week
  2. 01st Apr 2026 2 Weeks
  3. 08th Apr 2026 3 Weeks
  4. 15th Apr 2026 4 Weeks
  5. 22nd Apr 2026 5 Weeks
  6. 29th Apr 2026 6 Weeks
  7. 06th May 2026 7 Weeks
  8. 13th May 2026 8 Weeks
  9. 20th May 2026 9 Weeks
  10. 27th May 2026 10 Weeks
  11. 03rd Jun 2026 11 Weeks
  12. 10th Jun 2026 12 Weeks
Trimester 2
  1. 17th Jun 2026 13 Weeks
  2. 24th Jun 2026 14 Weeks
  3. 01st Jul 2026 15 Weeks
  4. 08th Jul 2026 16 Weeks
  5. 15th Jul 2026 17 Weeks
  6. 22nd Jul 2026 18 Weeks
  7. 29th Jul 2026 19 Weeks
  8. 05th Aug 2026 20 Weeks
  9. 12th Aug 2026 21 Weeks
  10. 19th Aug 2026 22 Weeks
  11. 26th Aug 2026 23 Weeks
  12. 02nd Sep 2026 24 Weeks
  13. 09th Sep 2026 25 Weeks
  14. 16th Sep 2026 26 Weeks
Trimester 3
  1. 23rd Sep 2026 27 Weeks
  2. 30th Sep 2026 28 Weeks
  3. 07th Oct 2026 29 Weeks
  4. 14th Oct 2026 30 Weeks
  5. 21st Oct 2026 31 Weeks
  6. 28th Oct 2026 32 Weeks
  7. 04th Nov 2026 33 Weeks
  8. 11th Nov 2026 34 Weeks
  9. 18th Nov 2026 35 Weeks
  10. 25th Nov 2026 36 Weeks
  11. 02nd Dec 2026 37 Weeks
  12. 09th Dec 2026 38 Weeks
  13. 16th Dec 2026 39 Weeks
  14. 23rd Dec 2026 40 Weeks

Most probable Date of conception

Sometime between

30 Mar
&
03 Apr