Nine Moons
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Third trimester

30 weeks pregnant

Quick answer

At 30 weeks pregnant, your baby is about the size of a large cucumber: around 39.9 cm head to heel and 1.32 kg. Bone marrow has taken over making red blood cells.

Your baby at 30 weeks

Bone marrow has taken over making red blood cells.

SizeAbout the size of large cucumber
Length39.9 cm head to heel
Weight1.32 kg

Your body at 30 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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