Second trimester

Week 25: Filling out

You’re 25 weeks pregnant — about 15 weeks to go. Your baby is roughly the size of a cauliflower.

25 of 40 weeks

Size of

a cauliflower

Length

34.6 cm

13.6 in · head to heel

Weight

660 g

23.3 oz

Your baby this week

Your baby is gaining baby fat and the skin is becoming less wrinkled and more opaque. Hair is growing and starting to show colour and texture.

Your body & how you might feel

You may notice your bump growing more quickly now. Some people develop haemorrhoids or constipation as the uterus presses on the bowel.

Common symptoms at week 25

  • Haemorrhoids
  • Constipation
  • Restless legs
  • Frequent urination

This week’s tip: Fibre, fluids and gentle movement keep things moving and ease the pressure-related aches of mid-pregnancy.

A gentle reminder: This is an estimate, not medical advice. Dates and figures are general guidance — every pregnancy is different. Your healthcare provider’s assessment, especially from an early ultrasound, always takes priority. Always speak with your provider about your pregnancy.

Week 25 FAQs

How big is the baby at 25 weeks?

At 25 weeks pregnant, your baby is roughly the size of a cauliflower, about 34.6 cm (13.6 in) long and around 660 g. These are typical averages — every baby grows at its own pace.

How many months is 25 weeks pregnant?

25 weeks pregnant is about 6 months, in the second trimester, with about 15 weeks to go until your due date.

What are common symptoms at 25 weeks?

Common experiences around week 25 include haemorrhoids, constipation, restless legs, frequent urination. Symptoms vary widely — contact your provider if anything worries you.