33 Weeks Pregnant
At 33 weeks pregnant, your baby is about the size of a coconut.
- Length
- 38 cm (15.0 in)
- Weight
- 1 kg (2 lb 3 oz)
- Trimester
- Third
- Month
- Month 8
- Weeks to go
- 7
Size of a coconut
Your baby at 33 weeks
About the size of a big coconut, your baby's bones are hardening, except the skull, which stays flexible to help with birth. Their immune system is developing, partly from antibodies you pass on.
Your body at 33 weeks
Swelling, aches and trouble sleeping are common in the home stretch. You may feel the baby move less vigorously because space is tight, but you should still feel regular movements.
Common symptoms at 33 weeks pregnant
- Swelling
- Sciatic nerve pain
- Insomnia
- Braxton Hicks
Every pregnancy is different. Having none of these symptoms is normal too.
Tips for week 33
- Movement patterns should not slow down before birth; report any reduced movements right away.
- Try a warm (not hot) bath for aches.
- Pre-register at your hospital or birth center.
Your week 33 checklist
- Pre-register at your hospital
- Report any reduced movements
- Try a warm bath for aches
Helpful at 33 weeks
33 Weeks Pregnant: your questions answered
How big is a baby at 33 weeks pregnant?
At 33 weeks your baby is about the size of a coconut: around 38 cm (15.0 in) long and weighing about 1 kg (2 lb 3 oz). Every baby grows at their own pace.
How many months is 33 weeks pregnant?
33 weeks pregnant is month 8 of your pregnancy, in the third trimester. Your due date is 7 weeks away.
Do babies move less at 33 weeks?
No. Babies have less room, so movements may feel different, more like rolls and pushes than kicks, but they should not slow down. Report any reduction straight away.
Sources
This guide is written from public guidance by the American College of Obstetricians and Gynecologists (ACOG), the NHS, the CDC and the World Health Organization. Baby sizes are averages; your baby may be bigger or smaller and still perfectly healthy.
General information only, not medical advice.
History of updates
- : Added a weekly checklist and common questions.
- : Matched fruit, length and weight to the Prego app.
- : Published.