25 Weeks Pregnant: Baby Size, Symptoms & Tips

Your baby at 25 weeks

About the size of a mango, your baby is adding fat, which smooths out their wrinkly skin. Their hair is growing and getting its color and texture.

Your body at 25 weeks

You might have hemorrhoids or constipation as your growing uterus presses on blood vessels and slows digestion.

Common symptoms at 25 weeks pregnant

Hemorrhoids
Constipation
Restless legs
Thicker, shinier hair

Every pregnancy is different. Having none of these symptoms is normal too.

Tips for week 25

Eat plenty of fiber, drink water and stay active to keep things moving.
Ask your provider about iron levels; anemia is more common now.
Start planning parental leave.

Your week 25 checklist

Eat fiber and drink water to prevent constipation
Ask your provider about iron levels
Plan your parental leave

Helpful at 25 weeks

25 Weeks Pregnant: your questions answered

How big is a baby at 25 weeks pregnant?

At 25 weeks your baby is about the size of a mango: around 29 cm (11.4 in) long and weighing about 500 g (18 oz). Every baby grows at their own pace.

How many months is 25 weeks pregnant?

25 weeks pregnant is month 6 of your pregnancy, in the second trimester. Your due date is 15 weeks away.

Is it safe to fly at 25 weeks?

For most healthy pregnancies, flying is considered safe until around 36 weeks. Check your airline's rules, walk around regularly and stay hydrated. Ask your provider if you have any complications.

Sources

This guide is written from public guidance by the American College of Obstetricians and Gynecologists (ACOG), the NHS, the CDC and the World Health Organization. Baby sizes are averages; your baby may be bigger or smaller and still perfectly healthy.

General information only, not medical advice.

History of updates

October 21, 2026: Added a weekly checklist and common questions.
October 21, 2026: Matched fruit, length and weight to the Prego app.
October 21, 2026: Published.