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 Tuesday 23rd June, 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. 23rd Sep 2025 1 Week
  2. 30th Sep 2025 2 Weeks
  3. 07th Oct 2025 3 Weeks
  4. 14th Oct 2025 4 Weeks
  5. 21st Oct 2025 5 Weeks
  6. 28th Oct 2025 6 Weeks
  7. 04th Nov 2025 7 Weeks
  8. 11th Nov 2025 8 Weeks
  9. 18th Nov 2025 9 Weeks
  10. 25th Nov 2025 10 Weeks
  11. 02nd Dec 2025 11 Weeks
  12. 09th Dec 2025 12 Weeks
Trimester 2
  1. 16th Dec 2025 13 Weeks
  2. 23rd Dec 2025 14 Weeks
  3. 30th Dec 2025 15 Weeks
  4. 06th Jan 2026 16 Weeks
  5. 13th Jan 2026 17 Weeks
  6. 20th Jan 2026 18 Weeks
  7. 27th Jan 2026 19 Weeks
  8. 03rd Feb 2026 20 Weeks
  9. 10th Feb 2026 21 Weeks
  10. 17th Feb 2026 22 Weeks
  11. 24th Feb 2026 23 Weeks
  12. 03rd Mar 2026 24 Weeks
  13. 10th Mar 2026 25 Weeks
  14. 17th Mar 2026 26 Weeks
Trimester 3
  1. 24th Mar 2026 27 Weeks
  2. 31st Mar 2026 28 Weeks
  3. 07th Apr 2026 29 Weeks
  4. 14th Apr 2026 30 Weeks
  5. 21st Apr 2026 31 Weeks
  6. 28th Apr 2026 32 Weeks
  7. 05th May 2026 33 Weeks
  8. 12th May 2026 34 Weeks
  9. 19th May 2026 35 Weeks
  10. 26th May 2026 36 Weeks
  11. 02nd Jun 2026 37 Weeks
  12. 09th Jun 2026 38 Weeks
  13. 16th Jun 2026 39 Weeks
  14. 23rd Jun 2026 40 Weeks

Most probable Date of conception

Sometime between

28 Sep
&
02 Oct