34 Weeks Pregnant

You’re in the third trimester and your baby is about the size of a bunch of bananas. Here’s how your baby is developing, what you might feel, and the check-ups to plan this week.

Reviewed against ACOG & WHO guidance Updated 25 September 2026
Baby is about the size of
A bunch of bananas
Length ~45 cmWeight ~2.1 kgTrimester 3Month 8

Sizes are averages; from week 20 length is measured head to heel. Not sure which week you’re in? Calculate it.

Your baby at 34 weeks

The central nervous system and lungs are maturing. The vernix coating is thickening. Babies born at 34 weeks usually do well, though some need extra help with feeding or breathing.

Your body at 34 weeks

Blurred vision can occur from fluid retention, but sudden visual changes with headache need urgent checking for pre-eclampsia.

Common symptoms this week

  • Fatigue
  • Swelling
  • Blurred vision (report it)

Tips & to-do list

  • Arrange transport to hospital; save 102 and 108 in your phone.
  • Finalise who will be with you during labour.
  • Keep your appointments – visits may become weekly soon.

Check-ups and tests around this week

  • Tdap/Td vaccination as advised (27–36 weeks)
  • Antenatal visits about every 2 weeks

Week 34 at a glance

At 34 weeks
TrimesterThird trimester
Pregnancy monthMonth 8 of 9
Weeks to due date6 weeks
Days pregnant238–244 days
Progress85% of 40 weeks

When to call your doctor

Contact your doctor or go to hospital straight away if you notice:

  • Reduced or changed baby movements
  • Waters breaking or any bleeding
  • Severe headache, vision changes, pain under the ribs
  • Regular painful contractions before 37 weeks
  • Severe itching of palms and soles

Questions about 34 weeks pregnant

How many months is 34 weeks pregnant?

34 weeks pregnant falls in month 8 of pregnancy, in the third trimester. For medical purposes, weeks and days are more precise than months.

How big is my baby at 34 weeks?

At 34 weeks your baby is about the size of a bunch of bananas – roughly ~45 cm long and weighing about ~2.1 kg.

Is it normal to have no symptoms at 34 weeks?

Yes. Every pregnancy is different, and symptoms come and go. Feeling well is not a sign that something is wrong. If you have concerns, or notice any warning signs listed on this page, contact your doctor.

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Medical disclaimer: The results and information on this page are estimates for general education only. They are not a diagnosis and do not replace advice from your gynaecologist, obstetrician or midwife. If you have pain, bleeding, reduced baby movements or feel unwell, contact your doctor or call 108 immediately. Read the full disclaimer.

Written by the Pregnancy Calculator editorial team. Based on published obstetric guidance (ACOG, WHO, MoHFW India, FOGSI). Last updated . How we create content.