Sizes are averages; from week 20 length is measured head to heel. Not sure which week you’re in? Calculate it.
Your baby at 27 weeks
This is the last week of the second trimester. Brain activity is high, your baby opens and closes the eyes, and follows regular sleep and wake patterns. Rhythmic taps you feel may be hiccups.
Your body at 27 weeks
Leg cramps, restless legs and backache are common. Your bump is growing quickly.
Common symptoms this week
- Leg cramps
- Restless legs
- Backache
Tips & to-do list
- If your blood group is Rh-negative, your doctor may give an anti-D injection around 28 weeks.
- Tdap/Td vaccination as advised protects your newborn from whooping cough.
- Plan who will support you after birth.
Check-ups and tests around this week
- 75 g oral glucose tolerance test (24–28 weeks)
- Tdap/Td vaccination as advised (27–36 weeks)
- Anti-D injection if your blood group is Rh-negative (around 28 weeks)
Week 27 at a glance
| At 27 weeks | |
|---|---|
| Trimester | Second trimester |
| Pregnancy month | Month 6 of 9 |
| Weeks to due date | 13 weeks |
| Days pregnant | 189–195 days |
| Progress | 68% of 40 weeks |
When to call your doctor
Contact your doctor or go to hospital straight away if you notice:
- Any vaginal bleeding or fluid leak
- Regular tightenings or period-like cramps before 37 weeks
- Severe headache, blurred vision or sudden swelling of face and hands
- Fever, or pain while urinating
Questions about 27 weeks pregnant
How many months is 27 weeks pregnant?
27 weeks pregnant falls in month 6 of pregnancy, in the second trimester. For medical purposes, weeks and days are more precise than months.
How big is my baby at 27 weeks?
At 27 weeks your baby is about the size of a cabbage (patta gobhi) – roughly ~36.6 cm long and weighing about ~875 g.
Is it normal to have no symptoms at 27 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.