Week by week / Third trimester
Week 30
Your baby is about the size of a cabbage. Here is what is happening, what you might feel, and the two or three things worth doing this week.
Size right now
A cabbage
39.9 cm / 15.7 in, 1319 g / 2 lb 15 oz
- Length
- 39.9 cm / 15.7 in
- Weight
- 1319 g / 2 lb 15 oz
- Trimester
- Third
- To go
- 10 weeks
The baby
Amniotic fluid starts to decrease as the baby takes up more of the space. Red blood cell production moves fully to the bone marrow.
You
Fatigue comes back, and so can mood swings. Both are normal in the third trimester.
This week
Worth ordering now
Not because week 30 is a deadline, but because these are the things that go wrong when they arrive late.
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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.