Third trimesterWeek 31 of 40
Your baby at 31 weeks pregnant
Your baby is the size of a coconut — about 16.2 in long and weighing approximately 3.3 lb.
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Coconut
The size of a coconut
Length (crown to heel)
16.2 in
Approximate weight
3.3 lb
Baby's hand
46mm
Baby's foot
50mm
Pregnancy progress75%
🌱 Baby's development at 31 weeks
All five senses are working. Your baby can tell light from dark even in the womb.
🤰 Your body at 31 weeks
Colostrum — your first breast milk — may start leaking from your nipples. This is completely normal and a sign your body is preparing beautifully.
✨ Did you know?
Your baby may be able to see dim shapes and light through your abdomen. Some babies cover their eyes with their hands during ultrasound scans.
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