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29 Weeks Pregnant: Baby Size, Development & Symptoms

Your baby is about the size of a butternut squash.

By Cushies Editorial Team · 2 min read · Updated 22 July 2026

Baby's sizeAbout the size of a butternut squash
Lengthabout 39 cm
Weightabout 1.15 kg
TrimesterThird trimester, month 7

Your baby this week

Muscles and lungs keep maturing, and the head is growing to make room for the brain.

Your body this week

Heartburn and constipation are common.

Tip of the week

Eat smaller meals and more fibre.

If your baby arrives now, they are born early (preterm) and may need some time in a special newborn care unit. Know the signs of preterm labour.

Quick answers

How big is my baby at 29 weeks?

About the size of a butternut squash: around 39 cm long and around 1.15 kg.

How many months is 29 weeks pregnant?

29 weeks is in month 7 of pregnancy, in the third trimester.

This article is general information, not medical advice. If you are worried about your health or your baby's, please talk to your doctor.

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