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

Most probable Date of conception

Sometime between

15 Jun
&
19 Jun