Week by weekTrimester 3

Week 28 — size of a large 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

Sleep gets harder, Braxton Hicks may begin and nesting instincts kick in.

For baby

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

Partner action this week

Set a 'visitors later' boundary for week one.

Red flag

Severe headache, sudden swelling or vision changes — possible pre-eclampsia.

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