Quick Summary — Pregnancy Week 17 (2nd Trimester) At 17 weeks pregnant, your baby is approximately the size of a pear (13 cm, 140 g) with 161 days remaining until your estimated due date.

🧒 Baby Development

Fat is beginning to form under the baby's skin — crucial for temperature regulation after birth. The skeleton is changing from cartilage to bone. Sweat glands are developing.

🤰 What Mom Is Feeling

Your center of gravity is shifting. You may feel clumsier than usual. Stretch marks might start appearing. Sciatic nerve pain is possible as the uterus grows.

💡 Tips for This Week

Invest in comfortable, supportive shoes. Moisturize your belly to help with stretching skin. Consider a belly support band.

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