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August 1957

Premature and Full-Term Infants: A Comparison of Their Maternal Histories

Author Affiliations

From the Department of Pediatrics, University of Pittsburgh School of Medicine, the Elizabeth Steel Magee Hospital, and the Children's Hospital of Pittsburgh. Research Professor of Pediatrics, University of Pittsburgh School of Medicine (Dr. Stevenson); formerly residents in Pediatrics, Children's Hospital of Pittsburgh. (Drs. Garver and Siegel).

AMA Am J Dis Child. 1957;94(2):169-178. doi:10.1001/archpedi.1957.04030030063010

The obstetric records of the mothers of all premature infants who were born at the Elizabeth Steel Magee Hospital during 1949 have been abstracted and analyzed. Obstetric records of the mothers of a control series of full-term babies have been similarly studied, and the two sets of data have been compared in an attempt to learn more about the etiology of premature births.

There were 386 premature infants among a total of 4602 deliveries, a total prematurity rate of 8.4%. Because of multiple births, these babies were the result of only 364 pregnancies. Their birth weights ranged from 400 through 2500 gm.

There were 338 full-term infants in the control series, 3 of whom were stillborn. 2 of whom died under one week of age, and 2 of whom were twins. They were chosen from a complete dated card file of all mothers who delivered live- and stillborn infants during

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