37 weeks pregnant
At 37 weeks you are in month 9 and the third trimester. Your baby is about the size of a baguette: 48.6 cm and 3 kg.
As big as
baguette
Length
48.6 cm
Weight
3 kg
Month
9
Trimester
third trimester
To go
21 days
Averages. Measured crown to rump up to week 20, crown to heel after that. Healthy babies vary a lot.
Your baby this week
The baby is almost full term; fat and brain are still growing fast.
Your body
Practice contractions may come more often; keep your own pace.
Good to know
From 37 weeks a pregnancy is called full term.
To sort around these weeks
- Pack your hospital bag and get the baby things ready.
- Agree who you call when it starts, day and night.
Follow your pregnancy week by week
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Frequently asked questions
How many months is 37 weeks pregnant?
37 weeks pregnant falls in month 9 of your pregnancy.
Which trimester is 37 weeks?
At 37 weeks you are in the third trimester.
How big is a baby at 37 weeks?
On average 48.6 cm, about the size of a baguette. Healthy babies vary a lot.
How long to go at 37 weeks?
Until your due date (40 weeks): 3 weeks, 21 days.
All weeks
General information, not medical advice. If in doubt, call your midwife or GP. Sources: WHO fetal growth charts (Kiserud et al., PLoS Med 2017); Robinson and Fleming 1975; NHS, Your pregnancy and baby guide.