New Jersey Environmental Public Health Tracking Program

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Birth and Infant Outcomes

Birth and Infant OutcomesThe New Jersey EPHT Network contains information on birth and infant outcomes among residents of New Jersey, including birth rates,  prematurity, small size at birth, death around the time of birth and before the first birthday, fertility, and sex ratio.  This information is based on birth and death certificates (vital statistics) collected by the New Jersey Department of Health. 

Adverse birth and infant outcomes may be the result of many factors. These factors include: nutrition, quality of prenatal care, medical problems, infections, use of cigarettes, alcohol and other substances, mother’s age, obesity, stress, violence, and poverty.  There is also concern that exposure to certain chemicals in the environment (air, drinking water, food, and consumer products) may affect fetal development and birth and infant outcomes.

What Information Does the EPHT Network Contain About Adverse Birth and Infant Outcomes in New Jersey?


Babies born too early in pregnancy may face lifelong health problems.  Prematurity is the leading cause of death among newborns. 

Low Birth Weight:

Birth weight is the measured weight of the newborn at birth.  Low birth weight infants may be at increased risk of early infections, delayed motor and social development, and learning disabilities.


The New Jersey EPHT Network contains the following indicators of infant death: infant mortality, neonatal mortality, postneonatal mortality, and perinatal mortality.


NJSHAD includes information on fertility rates throughout the state.

Sex Ratio at Birth:

Slightly more males are born than females, resulting in an expected sex ratio of 1.05. 

Where Can I Get More Information About Birth and Infant Outcomes?

The New Jersey Department of Health’s Center for Health Statistics maintains data and provides detailed reports on births and deaths in New Jersey.

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