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Second trimester · Week 25 of 40

25 weeks pregnant: the size of a cauliflower

The baby is gaining fat and the skin becomes less wrinkled.

Reviewed against ACOG, NHS and WHO guidance · Updated November 2026

Typical size

About 34 cm · 660 g

63% of the way to your due date

Your baby this week

The baby is gaining fat and the skin becomes less wrinkled.

Your body this week

Heartburn and trouble sleeping can start.

Tip for week 25

Eat smaller meals and avoid lying down right after eating.

Carry this guide in your pocket

Mamivaa is a free pregnancy app with a week-by-week tracker, vitamin and water reminders, a food scanner and a baby checklist.

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This guide offers general information and does not replace advice from your doctor or midwife. If something feels wrong, contact your provider or emergency services.