34 Weeks Pregnant

At 34 weeks, the baby is filling out with fat and its lungs keep maturing.

Baby is about the size ofA cantaloupe melon

LengthAbout 45 cm

WeightAbout 2.1 kg

Week 34 of 40, third trimester6 weeks to go

Your baby at 34 weeks

Layers of fat are filling out the baby’s body, and the lungs and nervous system keep maturing.

Your body at 34 weeks

You may feel tired, heavy and short of breath. Needing to pass urine often is common again.

Your checklist this week

Plan how you will get to the hospital or birth centre, day or night.
Save your maternity unit’s phone number in your phone.
If the baby is bottom first (breech), ask about your options.

Not sure which week you are in?

Use our Due Date Calculator or Pregnancy Week Calculator to find out exactly how far along you are.

Your baby this week

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When to call your doctor

Bleeding from your vagina
Severe pain in your tummy
A bad headache, blurred vision or sudden swelling
Fluid leaking from your vagina
Fever, or pain when you pass urine
Later in pregnancy, your baby moving less than usual

In an emergency, call your local emergency number.

Based on ACOG and NHS guidance. Sizes are averages: every baby grows at its own pace.