Dental What we will define it “ratio of no. of death under 1 year of age to total live birth per 1000 live births per year”? A Infant mortality rate B Child mortality rate C Child morbidity rate D Life expectancy rate 💡 Explanation What we will define it "ratio of no. of death under 1 year of age to total live birth per 1000 live births per year"? ✓ Correct Answer: A. Infant mortality rate