Third trimester · Week 34 of 40
34 weeks pregnant: the size of a cantaloupe
The central nervous system and lungs continue maturing.
Reviewed against ACOG, NHS and WHO guidance · Updated November 2026
Typical size
About 45 cm · 2.1 kg
85% of the way to your due date
Your baby this week
The central nervous system and lungs continue maturing.
Your body this week
Your vision may blur slightly from pregnancy hormones.
Tip for week 34
Plan your route to the hospital and who will drive you.
Carry this guide in your pocket
Mamivaa is a free pregnancy app with a week-by-week tracker, vitamin and water reminders, a food scanner and a baby checklist.
Start freeThis guide offers general information and does not replace advice from your doctor or midwife. If something feels wrong, contact your provider or emergency services.