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 4th October, 2025

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

Most probable Date of conception

Sometime between

09 Jan
&
13 Jan