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

Most probable Date of conception

Sometime between

24 Jan
&
28 Jan