Infant mortality rate is defined as?

Infant mortality rate is defined as?

• A. The percentage of infants who survive to age five.
• B. The total number of births per 1,000 people.
• C. The rate of neonatal care admissions.
• D. The number of deaths between birth and exactly one year of age expressed per 1,000 live births.

Answer: (D)

Infant mortality rate is a measure of how many babies die before reaching their first birthday relative to how many babies are born. It is expressed as the number of deaths of infants under one year per 1,000 live births in a given period. The key is that the denominator is live births, not the total population, and the time frame is the first year of life. This helps capture overall health conditions, maternal care, nutrition, and access to healthcare for newborns. For example, if there are 1,000 live births in a year and 8 infants die before their first birthday, the infant mortality rate is 8 per 1,000 live births. Other options don’t fit: survival to age five describes under-five survival, not infant mortality; total births per 1,000 people is the crude birth rate, not a mortality measure; rate of neonatal care admissions refers to healthcare usage, not deaths; neonatal mortality would be deaths within the first 28 days, which is a different metric from infant mortality.

Infant mortality rate is a measure of how many babies die before reaching their first birthday relative to how many babies are born. It is expressed as the number of deaths of infants under one year per 1,000 live births in a given period. The key is that the denominator is live births, not the total population, and the time frame is the first year of life.

This helps capture overall health conditions, maternal care, nutrition, and access to healthcare for newborns. For example, if there are 1,000 live births in a year and 8 infants die before their first birthday, the infant mortality rate is 8 per 1,000 live births.

Other options don’t fit: survival to age five describes under-five survival, not infant mortality; total births per 1,000 people is the crude birth rate, not a mortality measure; rate of neonatal care admissions refers to healthcare usage, not deaths; neonatal mortality would be deaths within the first 28 days, which is a different metric from infant mortality.