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
STEVENSON SS, GARVER KL, SIEGEL E. Premature and Full-Term Infants: A Comparison of Their Maternal Histories. AMA Am J Dis Child. 1957;94(2):169–178. doi:10.1001/archpedi.1957.04030030063010
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