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Article
February 1967

Factors Influencing OffspringNumber of Children, Interval Between Pregnancies, and Age of Parents

Author Affiliations

New York
From the Planned Parenthood Federation of America, New York.

Am J Dis Child. 1967;113(2):179-185. doi:10.1001/archpedi.1967.02090170043001
Abstract

THIS REPORT reviews the literature on the survival of the fetus and child in relation to the pregnancy spacing and age of parents. The intention was to be selective rather than comprehensive. Not all of the studies listed in the bibliography are referred to in the text.

Parity, Birth Intervals, and Age of Mother  Yerushalmy and co-workers1 studied the entire female population of Kauai, one of the Hawaiian Islands. At the time of the study, in 1953, Kauai had a rural economy and a population of 30,000. It was selected for study because a preliminary survey indicated good rapport between the people and the Health Department as well as a relaxed and natural attitude about pregnancy, making it possible to obtain a reliable obstetrical history from the women. The investigation was retrospective, and depended upon the recollection of the women interviewed.Inspection of the data by pregnancy order, age

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