Week 18 of Pregnancy: The Big Reveal (Maybe)

An ultrasound can often reveal the sex around now.

The size of a cricket ball
LENGTH 14.2 cm · WEIGHT 190 g

What she is going through

Your missions this week

Concrete things worth doing in week 18 — not "be supportive".

Discuss: find out the sex, or keep the surprise?+5 PTS
Bring 5 serious baby names to the table+5 PTS

Trimester 2

Week 18 of Pregnancy sits in trimester 2. 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 18 of pregnancy properly.

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