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THE INFANT DEVELOPMENT STUDY (IDS)
Description:
A case-control study to investigate the apparent protective effect of prenatal magnesium sulfate exposure on the risk for cerebral palsy among low birthweight children. Over 200 children who have cerebral palsy, who were born in the 5-county metropolitan Atlanta area from 1981 through 1989, and who weighed less than 1750 grams at birth, were selected as age subjects for the IDS from MADDSP 1991-92 surveillance records. A sample of over 300 control children born during the same time interval were randomly selected from vital record files of the Georgia Department of Human Resources, on the basis of birth weight and plurality. For each child included in the study, information on selected maternal and infant characteristics was abstracted from the hospital admission and labor and delivery records of the mother and the newborn records of the child.
