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 Friday 11th September, 2026

Share this:

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

Most probable Date of conception

Sometime between

17 Dec
&
21 Dec
Due Date Countdown Due Date Countdown

Your baby could share a birthday with these famous people

Bashar Al-Assad

Bashar Al-Assad

Syrian former politician

 60
Moby

Moby

Activist, American musician, DJ...

 60
Ludacris

Ludacris

American rapper and actor

 48
Virginia Madsen

Virginia Madsen

American actress

 64
More

Spread the word