Second Trimester
17 Weeks Pregnant
Your baby is the size of a Pear 🍐
🍐
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Pear
📐
Length
13 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Second
⏱️
Week
17 of 40
🌱 Baby Development at Week 17
Baby is developing fat stores for warmth and energy. The skeleton continues ossifying. Sweat glands are forming. Umbilical cord grows thicker to carry more blood. Baby is now very active.
Fat stores developingSweat glands formingVery active movement
🤱 Common Symptoms
●Increased appetite
●Possible swelling in hands and feet
●Vivid dreams
●Back pain
●Shortness of breath beginning
🥗 Nutrition Tips
- Healthy fats (avocado, nuts, olive oil) for baby's brain and fat development
- Iodine for thyroid function (seafood, dairy)
- Keep sodium moderate to reduce swelling
🏃♀️ Exercise Tips
- Side-sleeping with pillow between knees for comfort
- Aqua yoga
- Avoid standing or sitting for very long periods
🏥 Medical Tests & Appointments
Anatomy scan approaching (18-22 weeks)
🔬 Hormone Changes
Relaxin peaks — making joints more flexible and vulnerable. Supports pelvic widening for birth.
Frequently Asked Questions
Common questions answered by our medical team