🤰 Pregnancy week by week

33 Weeks Pregnant: Baby Size, Development & Symptoms

Your baby is about the size of a pineapple.

By Cushies Editorial Team · 2 min read · Updated 14 July 2026

Baby's size	About the size of a pineapple
Length	about 44 cm
Weight	about 1.9 kg
Trimester	Third trimester, month 8

Your baby this week

The skull bones stay soft and flexible to make birth easier.

Your body this week

Pelvic pressure and back ache may increase.

Tip of the week

Practise breathing and relaxation techniques for labour.

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 33 weeks?

About the size of a pineapple: around 44 cm long and around 1.9 kg.

How many months is 33 weeks pregnant?

33 weeks is in month 8 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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