Second Trimester
Week 15
Reviewed by Dr. Humaira Latif, OB-GYN & Ultrasound Specialist
Welcome to week 15 of your pregnancy. Here’s a gentle look at what to expect at 15 weeks pregnant — baby’s size, changes in your body, common 15 weeks pregnant symptoms and a caring tip from Dr. Humaira.
Baby's size
About the size of an apple — 10.1cm.
What's happening
Baby is practicing breathing movements with amniotic fluid. Bones are becoming harder, and hearing is starting to develop.
Your body
Blood volume continues to increase — mild dizziness on standing can happen.
Common symptoms
- Increased appetite
- Nasal congestion
- Mild dizziness
- Backache
When to call your doctor
- Fainting
- Bleeding
- Severe headache with vision changes
Dr. Humaira's tip
Stand up slowly from lying or sitting positions to avoid light-headedness — it's a very common second-trimester quirk.
Educational only — not a substitute for in-person medical advice. Always follow your own doctor's guidance.