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About IDPH

Adverse Pregnancy Outcomes Reporting System

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The Adverse Pregnancy Outcomes Reporting System (APORS) collects information on Illinois infants born with birth defects or other abnormal conditions. The purpose of APORS is to conduct surveillance on birth defects, to guide public health policy in the reduction of adverse pregnancy outcomes, and to identify and refer children who require special services to correct and prevent developmental problems and other disabling conditions. Mandated statewide data collection began in August 1988. All licensed Illinois hospitals are required to report adverse pregnancy outcomes to APORS. In addition, APORS receives reports from hospitals in St. Louis, Missouri, that are part of the southern Illinois perinatal network. A few Indiana and Iowa hospitals also voluntarily report Illinois children. APORS cases meet one of more of the following criteria:

  • The infant was born at less than 31 weeks gestational age;
  • The infant was part of a triplet, or higher order, birth;
  • The infant is diagnosed as having a positive drug toxicity for any drug, shows signs and symptoms of drug toxicity or withdrawal, or the infant’s mother admits to illegal drug used during the pregnancy;
  • the infant is diagnosed with a congenital anomaly; a serious congenital infection; an endocrine, metabolic or immune disorder; a blood disorder; or another high-risk medical condition; or
  • a neonatal or fetal death has occurred.

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Publications