Second trimester · Week 25 of 40

Pregnancy week 25

Hands explore; sleep-wake cycles look more patterned.

Approx. length34.6 cm
Approx. weight660 g
Size feelear of corn
Download on the App Store

Baby development at week 25

Hands find face and cord. Capillaries form under skin, adding color. Sleep and active periods become more rhythmic.

Average size estimates for week 25 are about 34.6 cm and 660 g — roughly ear of corn. Your ultrasound report and clinician’s dating override any website average.

What you might feel

Braxton Hicks may be more noticeable. Practice slow breathing when a tightening comes and goes.

You are in the second trimester. Two pregnancies at the same week can feel completely different — treat these notes as orientation, not a checklist you must match.

Noticing movement in week 25

Flutters often become clearer around mid-pregnancy, though timing varies widely. You do not need a formal count yet for every pregnancy — casual awareness is enough. When patterns feel regular later, Preglo’s kick counter is ready without a separate app.

What to track this week

A calm next step in Preglo

If movements already feel regular, try a short Preglo kick session to learn the interface before third trimester.

Also useful: due date calculator · all weeks · Preglo features

Nearby weeks: Week 23 · Week 24 · Week 26 · Week 27

Educational averages only — not medical advice. Contact your clinician for symptoms that worry you, bleeding, severe pain, or reduced movements.

Week 25 FAQ

How big is the baby at week 25?

Typical educational averages are about 34.6 cm long and 660 g. Individual growth and measurement methods vary.

Which trimester is week 25?

Week 25 is generally counted in the second trimester (weeks 1–12 first, 13–27 second, 28–40 third in common educational grouping).

Should I track anything special this week?

If movements already feel regular, try a short Preglo kick session to learn the interface before third trimester.

Preglo

Track this week in Preglo.

Week tracker, kick counter, water log, and widgets — private on iPhone.

Download on the App Store