Week by weekTrimester 2

Week 20 — size of a mango.

A two-minute partner brief: how baby is growing, what's changing for her, and one practical thing you can do this week.

For her

Energy often returns. The bump shows. Skin and hair changes are common.

For baby

About the size of a mango. Organs and senses are developing on schedule.

Partner action this week

Build the cot and the changing station.

Red flag

Reduced or absent fetal movement after this stage — call your provider.

Educational guidance, not medical advice. If you're worried about symptoms, contact your midwife, GP or maternity unit.

Plan ahead with partner tools.

Due date, trimester tracker, appointment timeline — built for partners.

Open calculators