Your baby is the size of a romaine lettuce

📏 Length: 42.4 cm⚖️ Weight: 1.7 kg

Baby is practicing breathing around the clock.

You're in the third trimester — the home stretch. Your baby is mostly built and now focused on growing, gaining weight, and practicing for life outside. Every week from here makes them stronger and readier to meet you.

Coming up in week 33: Bones are hardening — except that flexible skull. Baby will be about the size of a cantaloupe.

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Lengths and weights are averages (crown-to-rump until week 19, head-to-toe after) — every baby grows at their own pace. This page is for general information and isn't medical advice; always consult your healthcare provider.