birthdate.baby Week

Week by week  /  Third trimester

Week 39

Your baby is about the size of a mini watermelon. Here is what is happening, what you might feel, and the two or three things worth doing this week.

Size right now

A mini watermelon

50.7 cm / 20 in, 3288 g / 7 lb 4 oz

Length
50.7 cm / 20 in
Weight
3288 g / 7 lb 4 oz
Trimester
Third
To go
1 weeks

The baby

Full term. The lungs are still adding surfactant and will keep doing so right up to birth. Skin is no longer see-through.

You

Nesting, or exhaustion, or both. Both are normal.

This week

Full term begins
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Averages, not targets. Babies vary a great deal and a scan that reads differently from this page is not a problem. Anything that worries you is a call to your midwife or doctor, not a search.