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 Friday 23rd January, 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 Apr 2025 1 Week
  2. 02nd May 2025 2 Weeks
  3. 09th May 2025 3 Weeks
  4. 16th May 2025 4 Weeks
  5. 23rd May 2025 5 Weeks
  6. 30th May 2025 6 Weeks
  7. 06th Jun 2025 7 Weeks
  8. 13th Jun 2025 8 Weeks
  9. 20th Jun 2025 9 Weeks
  10. 27th Jun 2025 10 Weeks
  11. 04th Jul 2025 11 Weeks
  12. 11th Jul 2025 12 Weeks
Trimester 2
  1. 18th Jul 2025 13 Weeks
  2. 25th Jul 2025 14 Weeks
  3. 01st Aug 2025 15 Weeks
  4. 08th Aug 2025 16 Weeks
  5. 15th Aug 2025 17 Weeks
  6. 22nd Aug 2025 18 Weeks
  7. 29th Aug 2025 19 Weeks
  8. 05th Sep 2025 20 Weeks
  9. 12th Sep 2025 21 Weeks
  10. 19th Sep 2025 22 Weeks
  11. 26th Sep 2025 23 Weeks
  12. 03rd Oct 2025 24 Weeks
  13. 10th Oct 2025 25 Weeks
  14. 17th Oct 2025 26 Weeks
Trimester 3
  1. 24th Oct 2025 27 Weeks
  2. 31st Oct 2025 28 Weeks
  3. 07th Nov 2025 29 Weeks
  4. 14th Nov 2025 30 Weeks
  5. 21st Nov 2025 31 Weeks
  6. 28th Nov 2025 32 Weeks
  7. 05th Dec 2025 33 Weeks
  8. 12th Dec 2025 34 Weeks
  9. 19th Dec 2025 35 Weeks
  10. 26th Dec 2025 36 Weeks
  11. 02nd Jan 2026 37 Weeks
  12. 09th Jan 2026 38 Weeks
  13. 16th Jan 2026 39 Weeks
  14. 23rd Jan 2026 40 Weeks

Most probable Date of conception

Sometime between

30 Apr
&
04 May