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Baby size by week

34 weeks pregnant: baby is the size of a cantaloupe

At 34 weeks, baby is about the size of

a cantaloupe

Baby's lungs keep getting ready for breathing.

Week 33Week 35

Baby is measured from head to heel at this stage. These are rounded averages. Your ultrasound is the only real measurement of your baby.

Questions moms ask

How big is a baby at 34 weeks?

At 34 weeks, baby is about the size of a cantaloupe: around 45 cm (17.7 in) long from head to heel, and weighs about 2.1 kg (4 lb 10 oz). Every baby grows at their own pace.

What trimester is 34 weeks?

34 weeks is in the third trimester.

How many months pregnant is 34 weeks?

Roughly month 8 of 9.

Related tools

This page gives estimates, not medical advice. If you're worried about your baby's growth, talk to your doctor or midwife.