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 Tuesday 15th December, 2026

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Your baby is approximately the size of...

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

Most probable Date of conception

Sometime between

22 Mar
&
26 Mar