🤰 Pregnancy week by week

9 Weeks Pregnant: Baby Size, Development & Symptoms

Your baby is about the size of a grape.

By Cushies Editorial Team · 2 min read · Updated 31 August 2026

Baby's size	About the size of a grape
Length	about 2.3 cm
Weight	about 2 g
Trimester	First trimester, month 3

Your baby this week

All the essential organs have begun to form. The embryonic “tail” has gone.

Your body this week

Hormone changes can cause mood swings and bloating.

Tip of the week

Wear a supportive bra as your breasts grow.

Quick answers

How big is my baby at 9 weeks?

About the size of a grape: around 2.3 cm long and around 2 g.

How many months is 9 weeks pregnant?

9 weeks is in month 3 of pregnancy, in the first 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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