Second trimesterWeek 17 of 40
Your baby at 17 weeks pregnant
Your baby is the size of a pear — about 5.1 in long and weighing approximately 4.9 oz.
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Pear
The size of a pear
Length (crown to heel)
5.1 in
Approximate weight
4.9 oz
Baby's hand
20mm
Baby's foot
22mm
Pregnancy progress36%
🌱 Baby's development at 17 weeks
Fat is beginning to develop under the skin, helping your baby regulate their temperature.
🤰 Your body at 17 weeks
Your appetite is often healthy now. You need about 300-350 extra calories a day — focus on protein, healthy fats, and nutrient-dense foods.
✨ Did you know?
Your baby can hear muffled sounds from outside the womb — music, your voice, loud noises. Many families start reading and singing aloud from around now.
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