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

Most probable Date of conception

Sometime between

03 Jul
&
07 Jul