Pregnancy week by week / Week 25
25 weeks pregnant
That’s 6 months — the second trimester, with 15 weeks to go.
Baby size at 25 weeks
Your baby is about 34.6 cm (13.6 in) long and weighs about 0.66 kg (1 lb 7 oz) — roughly the size of a cauliflower.
What’s happening at 25 weeks
The baby is putting on baby fat and the skin is becoming smoother. Hair is growing and may even have colour and texture.
Common symptoms at 25 weeks pregnant
- •Heartburn
- •Constipation and hemorrhoids
- •Restless legs
- •Frequent urination
- •Fatigue
Every pregnancy is different — you may have all, some or none of these. Contact your doctor or midwife about anything that concerns you.
Count down to your due date
If you’re 25 weeks pregnant today, your due date is around Tuesday, September 29, 2026. Adjust the date below and create a free countdown to share.
First day of your last menstrual period (how doctors date a pregnancy)
⚕️ This is an estimate based on Naegele’s rule (40 weeks from your last period). Only about 1 in 20 babies arrive on the exact due date. Always confirm with your doctor or midwife.
FAQ
How many months is 25 weeks pregnant?
25 weeks pregnant is about 6 months, in the second trimester.
How big is the baby at 25 weeks?
At 25 weeks the baby is about 34.6 cm (13.6 in) long and weighs about 0.66 kg (1 lb 7 oz) — roughly the size of a cauliflower.
What are the symptoms at 25 weeks pregnant?
Common symptoms around 25 weeks include heartburn, constipation and hemorrhoids, restless legs, frequent urination. Symptoms vary a lot from person to person — contact your provider if anything worries you.
When is my due date if I am 25 weeks pregnant?
If you are exactly 25 weeks pregnant today, your estimated due date is around Tuesday, September 29, 2026 — 15 weeks from now. Use the calculator below with your real last-period date for a personalised estimate.
See every stage on the pregnancy week-by-week guide or open the full due date calculator.