First trimester
Week 4 of pregnancy — a father's guide
The baby is the size of a poppy seed. 36 weeks to go.
Your baby
The embryo is implanting and the placenta is beginning to form.
Your partner
She may not feel pregnant yet, though a missed period is often the first sign.
What to do
Encourage a folic-acid supplement if she hasn't started one.
Practical week-4 checklist for fathers
- Make sure folic acid is part of her daily routine.
- Book or confirm the next antenatal visit — go with her if you can.
- Cover early mornings or late nights so she can sleep through nausea and fatigue.
- Keep bland snacks and cold water within easy reach.
What's actually happening at week 4
The embryo is implanting and the placenta is beginning to form. For your partner: she may not feel pregnant yet, though a missed period is often the first sign.
A note for the father at week 4
Encourage a folic-acid supplement if she hasn't started one. Pregnancy is hard work — your steadiness is the most valuable thing you can offer this week.
BabaPilot
Want this brief in your inbox every morning?
BabaPilot sends you a personalised guide every day of your partner's pregnancy — tuned to your week, your goals, your situation. Free to start.
Get my first brief free