Second trimester
Week 21 of pregnancy — a father's guide
The baby is the size of a carrot. 19 weeks to go.
Your baby
The baby swallows small amounts of amniotic fluid, practising digestion.
Your partner
Appetite may grow. Steady, balanced meals help.
What to do
Help plan meals so she's eating well and regularly.
Practical week-21 checklist for fathers
- Plan a couples' day out — energy often returns in the second trimester.
- Start a baby budget together. Even a small monthly amount adds up.
- Research antenatal classes you can attend together.
- Be present when she takes your hand to her belly — those first kicks are the memory.
What's actually happening at week 21
The baby swallows small amounts of amniotic fluid, practising digestion. For your partner: appetite may grow. steady, balanced meals help.
A note for the father at week 21
Help plan meals so she's eating well and regularly. Pregnancy is hard work — your steadiness is the most valuable thing you can offer this week.
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