Week by week · Trimester 2

Pregnancy Week 23

Your baby is about the size of a grapefruit this week.

👶 Your baby this week

Hearing sharpens — loud noises may trigger a startle you can feel. Lungs develop surfactant-producing cells.

💛 How you might feel

Braxton Hicks "practice" contractions may start: irregular, painless tightenings.

✅ This week's to-do

Tour your delivery hospital or birth center, and look into childbirth classes.

Please note: General information, not medical advice. Every pregnancy is different — your provider's guidance always wins.

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One short email when you enter a new week — what's developing, what to feel ready for, what to do. Timed to you.