Nine Moons
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Third trimester

39 weeks pregnant

Quick answer

At 39 weeks pregnant, your baby is about the size of a small watermelon: around 50.7 cm head to heel and 3.29 kg. Full term. The brain is still growing fast.

Your baby at 39 weeks

Full term. The brain is still growing fast.

SizeAbout the size of small watermelon
Length50.7 cm head to heel
Weight3.29 kg

Your body at 39 weeks

You may feel pelvic pressure and a burst of nesting energy. Learn the signs of labour and when to call.

For your partner

You're on call now.

  • Keep your phone charged and the tank full
  • Time contractions with the app
  • Stay calm and keep her company

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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