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 Saturday 29th August, 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. 29th Nov 2025 1 Week
  2. 06th Dec 2025 2 Weeks
  3. 13th Dec 2025 3 Weeks
  4. 20th Dec 2025 4 Weeks
  5. 27th Dec 2025 5 Weeks
  6. 03rd Jan 2026 6 Weeks
  7. 10th Jan 2026 7 Weeks
  8. 17th Jan 2026 8 Weeks
  9. 24th Jan 2026 9 Weeks
  10. 31st Jan 2026 10 Weeks
  11. 07th Feb 2026 11 Weeks
  12. 14th Feb 2026 12 Weeks
Trimester 2
  1. 21st Feb 2026 13 Weeks
  2. 28th Feb 2026 14 Weeks
  3. 07th Mar 2026 15 Weeks
  4. 14th Mar 2026 16 Weeks
  5. 21st Mar 2026 17 Weeks
  6. 28th Mar 2026 18 Weeks
  7. 04th Apr 2026 19 Weeks
  8. 11th Apr 2026 20 Weeks
  9. 18th Apr 2026 21 Weeks
  10. 25th Apr 2026 22 Weeks
  11. 02nd May 2026 23 Weeks
  12. 09th May 2026 24 Weeks
  13. 16th May 2026 25 Weeks
  14. 23rd May 2026 26 Weeks
Trimester 3
  1. 30th May 2026 27 Weeks
  2. 06th Jun 2026 28 Weeks
  3. 13th Jun 2026 29 Weeks
  4. 20th Jun 2026 30 Weeks
  5. 27th Jun 2026 31 Weeks
  6. 04th Jul 2026 32 Weeks
  7. 11th Jul 2026 33 Weeks
  8. 18th Jul 2026 34 Weeks
  9. 25th Jul 2026 35 Weeks
  10. 01st Aug 2026 36 Weeks
  11. 08th Aug 2026 37 Weeks
  12. 15th Aug 2026 38 Weeks
  13. 22nd Aug 2026 39 Weeks
  14. 29th Aug 2026 40 Weeks

Most probable Date of conception

Sometime between

04 Dec
&
08 Dec