37 of 40 weeks
Baby size this week
As lovely as a leek
Measurements are averages — every baby grows at their own pace.
Length 48.6 cm 19.1 in
Weight 2.86 kg 6 lb 5 oz
Your baby this week
- Your baby is now considered early term
- Practice breathing continues daily
- The grasp is firm enough to hold your finger
- Your baby stores iron for the first months of life
Your body this week
Heartburn
Swelling
Insomnia
Braxton Hicks
This week's to-do
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How we measure week 37
Pregnancy weeks are counted from the first day of your last menstrual period, following standard ACOG and NHS guidance. Sizes are crown-rump length in early weeks and head-to-heel from around week 20. Your care team may adjust dates after an ultrasound.
BumpCount offers general information and does not replace advice from your doctor or midwife.