You are 13 weeks and 1 day pregnant!

You have 26 weeks and 6 days to go!

Your Due Date Countdown

Your baby is due on Sunday 13th December, 2026

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Your baby is approximately the size of...

An egg
An egg
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Fun facts at thirteen weeks
You:
  • Woohoo - this should be the easiest part of your pregnancy
  • Hopefully you have an increase in energy
  • Some experience an increase in sex drive
  • You might be getting acid reflux or indigestion
Your baby:
  • Your baby is about 7cm (2.8 inches) in total length right now
  • Your baby weighs in at 30 grams
  • Your baby's intestines and vocal cords are developing
  • The tiny bones in their arms and legs are starting to form

To Do List

  • If you haven't already think of ways to announce your pregnancy
  • Now pregnancy is getting easier start planning time for yourself

Your Pregnancy Weeks Dates Forecast

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

Most probable Date of conception

Sometime between

20 Mar
&
24 Mar