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🤰 Pregnancy week by week

15 Weeks Pregnant: Baby Size, Development & Symptoms

Your baby is about the size of an apple.

By Cushies Editorial Team · 2 min read · Updated 19 August 2026

Baby's sizeAbout the size of an apple
Lengthabout 10 cm
Weightabout 70 g
TrimesterSecond trimester, month 4

Your baby this week

Bones are hardening, and the baby can sense light through closed eyelids.

Your body this week

You might notice a stuffy nose or bleeding gums, both caused by hormones.

Tip of the week

Visit a dentist; gum care matters during pregnancy.

Quick answers

How big is my baby at 15 weeks?

About the size of an apple: around 10 cm long and around 70 g.

How many months is 15 weeks pregnant?

15 weeks is in month 4 of pregnancy, in the second 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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