Pregnancy week by week / Week 27
27 weeks pregnant
That’s 6 months — the second trimester, with 13 weeks to go.
Baby size at 27 weeks
Your baby is about 36.6 cm (14.4 in) long and weighs about 0.88 kg (1 lb 15 oz) — roughly the size of a cauliflower.
What’s happening at 27 weeks
The last week of the second trimester. The baby sleeps and wakes on a regular schedule and may hiccup often.
Common symptoms at 27 weeks pregnant
- •Backache
- •Leg cramps
- •Braxton Hicks
- •Shortness of breath
- •Fatigue returning
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 27 weeks pregnant today, your due date is around Tuesday, September 15, 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 27 weeks pregnant?
27 weeks pregnant is about 6 months, in the second trimester.
How big is the baby at 27 weeks?
At 27 weeks the baby is about 36.6 cm (14.4 in) long and weighs about 0.88 kg (1 lb 15 oz) — roughly the size of a cauliflower.
What are the symptoms at 27 weeks pregnant?
Common symptoms around 27 weeks include backache, leg cramps, braxton hicks, shortness of breath. Symptoms vary a lot from person to person — contact your provider if anything worries you.
When is my due date if I am 27 weeks pregnant?
If you are exactly 27 weeks pregnant today, your estimated due date is around Tuesday, September 15, 2026 — 13 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.