Social & Preventive Medicine Bih rate is A Live bih X 1000/ mid yr. Population B Bih X 1000/ mid yr population C Live bih X 10000/ mid yr. Population D Live bih X 10000/Population of reproductive age group (15-45) 💡 Explanation Bih rate is ✓ Correct Answer: A. Live bih X 1000/ mid yr. Population