Second Trimester
15 Weeks Pregnant
Your baby is the size of a Apple 🍎
🍎
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Apple
📐
Length
10.1 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Second
⏱️
Week
15 of 40
🌱 Baby Development at Week 15
Baby's skeletal system is rapidly hardening. Hair, eyebrows, and eyelashes are growing. Baby is practicing breathing by inhaling and exhaling amniotic fluid — this exercises the lungs.
Skeleton hardeningEyebrows formingPracticing breathing motions
🤱 Common Symptoms
●Backache begins
●Skin changes — stretch marks may appear
●Heartburn
●Increased appetite
●Possible round ligament pain
🥗 Nutrition Tips
- Vitamin C for iron absorption
- Zinc for immune function
- Magnesium for muscle cramp prevention
🏃♀️ Exercise Tips
- Prop yourself up when sleeping to ease reflux
- Stretching for back pain
- Prenatal Pilates excellent for back support
🏥 Medical Tests & Appointments
Amniocentesis option: 15-20 weeks if indicated
🔬 Hormone Changes
Progesterone relaxes the esophageal sphincter — causing heartburn and reflux to worsen.
Frequently Asked Questions
Common questions answered by our medical team