Nine Moons
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Third trimester

31 weeks pregnant

Quick answer

At 31 weeks pregnant, your baby is about the size of a coconut: around 41.1 cm head to heel and 1.50 kg. Baby can turn their head from side to side.

Your baby at 31 weeks

Baby can turn their head from side to side.

SizeAbout the size of coconut
Length41.1 cm head to heel
Weight1.50 kg

Your body at 31 weeks

Breathlessness and practice contractions (Braxton Hicks) are common. Sleep on your side and get to know your baby's pattern of movements.

For your partner

Third trimester. Time to learn the tools.

  • Learn the warning signs and when to call
  • Install the car seat
  • Join an antenatal class together

Call your doctor or hospital straight away for bleeding, severe pain, fluid leaking, severe headache or vision changes, or fewer baby movements.

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