Explanation:
High infant mortality rate of a region is mainly due to the ill health of the mother. Pre-mature birth is responsible for the infant mortality rate in U.S. This is caused due to many reasons because of pregnancy complications and even low birth weight. Also expectant's mother health conditions also determines the cause for pre mature birth such blood pressure, blood sugar, diabetes, Zika virus and also other infections may lead to the high rate of infant mortality rate.
