Week 25 of 40 · second trimester

Week 25 of pregnancy

Week 25 sits in the middle stretch of pregnancy, the second trimester.

Sources checked October 30, 2026

A pregnant woman with one hand resting on her bump
Week 25
15 weeks to go
About the size of
an eggplant
The Log menu during pregnancy: Symptom, Appointment, Sleep, Mood and Contractions
The Log menu during pregnancy.
Illustration of an eggplant, the average size of a baby at 25 weeks
Your baby this week

About the size of an eggplant

SizeAbout an eggplant
Length13.6 in (34.6 cm), measured from head to heel [1]
Weight1.7 lb (778 g) [3]
TrimesterSecond trimester
Weeks to goAbout 15 to your due date

These are averages. Every baby grows at their own pace.

What's developing

This is an active time. A loud noise can make the baby jump and kick, and you might feel the odd hiccup. [1]

What you might notice

Burping, heartburn and feeling full fast are common as the baby takes up space your stomach used to have. [1]

Everyone's pregnancy is different. If something worries you, call your midwife or doctor.

A tip for this week

Mention any swelling in your face, hands or feet to your midwife. They'll check your blood pressure for pre-eclampsia. [1]

Questions you could bring to your next appointment

  • When is my mid-pregnancy scan?
  • Will I be offered a glucose test?
  • Is there anything I should change about exercise or work?

Questions

When will I feel the baby move?

The NHS says between 16 and 24 weeks. In a first pregnancy you might not feel movements until after 20 weeks.

What if I haven't felt the baby move by 24 weeks?

Tell your midwife or doctor. They'll check your baby's heartbeat and movements.

Is my baby exactly this size?

Probably not exactly. The length is the average the NHS gives for this week, and the weight is the middle value (50th percentile) of the WHO fetal growth charts. Your scan results are the ones that count.

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