26 Weeks Pregnant
Reviewed by Safi Allah Khan
Medically reviewed by: Safi Allah Khan · Written by the Momi team · Last updated 20 October 2026
Quick answer: At 26 weeks pregnant, your baby is about the size of a head of lettuce, about 35.6 cm (14 in) long. You're in the second trimester, in month 6, with 14 weeks to go until your due date. This week's milestone: eyes begin to open. Symptoms vary from person to person.
| Week 26 at a glance | |
|---|---|
| Trimester | Second |
| Month | 6 |
| Weeks to due date | 14 |
| Baby's size | About the size of a head of lettuce |
| Length | About 35.6 cm (14 in) |
| Weight | About 760 g (1.7 lb) |
| This week | Eyes begin to open |
Sizes are typical averages. Before about 20 weeks, length is measured crown to rump; after that, head to heel.
Your baby at 26 weeks
Your baby is about the size of a head of lettuce and weighs about 760 g (1.7 lb). The eyes are developing and may begin to open in the coming weeks.
Your body at 26 weeks pregnant
You may feel more breathless or have back pain as your uterus grows upward. Swelling of feet and ankles is common.
Things to do this week
- Watch for signs of pre-eclampsia: severe headache, vision changes, pain below the ribs or sudden swelling of face, hands or feet.
- Ask about the RSV and whooping cough vaccines and their timing where you live.
- Plan your third-trimester appointments.
When to call your doctor or midwife
Contact your care team straight away if:
- your baby's movements slow down or change once you've started feeling a pattern, or you haven't felt any movement by 24 weeks
- you have a severe headache, vision changes, pain just below your ribs, or sudden swelling of your face, hands or feet (possible signs of pre-eclampsia)
- you have regular contractions, pelvic pressure or a low, dull backache before 37 weeks
- you have bleeding or fluid leaking from your vagina
- you have a fever of 100.4°F (38°C) or higher
If something feels wrong, trust that feeling and call. In an emergency, call your local emergency number.
Track week 26 in Momi
Add your vaccine appointment in Momi and set a reminder. Momi follows your pregnancy week by week with your baby's size and development, and keeps your diary, bump photos, appointments, kick counts and contractions in one place.
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Keep reading
← 25 weeks pregnant · All weeks · 27 weeks pregnant →
Sources
- ACOG: Changes During Pregnancy (infographic)
- NHS: Your baby's movements
- NHS: Antenatal care and appointments
- CDC: Urgent Maternal Warning Signs
Medical disclaimer: Momi and this website provide general information, not medical advice. Always talk to your doctor or midwife; in an emergency call your local emergency number.
FAQ
How big is a baby at 26 weeks pregnant?
On average, a baby at 26 weeks is about the size of a head of lettuce: about 35.6 cm (14 in), about 760 g (1.7 lb). These are typical averages, and healthy babies vary.
How many months is 26 weeks pregnant?
26 weeks pregnant is in the sixth month of pregnancy and the second trimester. Months don't divide evenly into 40 weeks, so different sources may label the month slightly differently.
What should I do at 26 weeks pregnant?
Watch for signs of pre-eclampsia: severe headache, vision changes, pain below the ribs or sudden swelling of face, hands or feet. Ask about the RSV and whooping cough vaccines and their timing where you live.
Related guides
Track this in Momi
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