Week 4 of Pregnancy: The Positive Test

Implantation. The embryo is the size of the tip of a dart.

The size of the tip of a dart
LENGTH 0.1 cm · WEIGHT <1 g

What she is going through

Your missions this week

Concrete things worth doing in week 4 — not "be supportive".

Celebrate together — quietly, your way+10 PTS
Help book the first prenatal appointment (usually weeks 6-8)+10 PTS
Take over prenatal vitamin resupply duty+5 PTS

Trimester 1

Week 4 of Pregnancy sits in trimester 1. Browse all 54 weeks to see what is coming.

Situations you might be hitting right now

Not medical advice

This is general information for expectant fathers, not clinical guidance. Anything about symptoms, pain, or bleeding goes to your midwife, doctor, or emergency service — not to an app.

Track week 4 of pregnancy properly.

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