Week by week · Trimester 1

Pregnancy Week 12

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

👶 Your baby this week

Reflexes arrive: the fetus curls fingers and toes when prodded. The intestines move into the abdomen.

💛 How you might feel

The end of the first trimester. Energy often starts returning; miscarriage risk drops significantly.

✅ This week's to-do

A nuchal translucency scan may happen this week if you opted for it.

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.