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August 1935

PRENATAL CONDITIONS AND THE STATUS OF INFANTS AT BIRTHOBSERVATIONS

Am J Dis Child. 1935;50(2):337-342. doi:10.1001/archpedi.1935.01970080031003
Abstract

This study was undertaken with the hope of clarifying the relationship between certain maternal conditions during pregnancy and the state of well-being of the fetus at birth, as measured by length, weight, development of bone and blood calcium.

Present researches in the field of human prenatal development continue to show how difficult it is to demonstrate cause and effect in growth, since it is virtually impossible to secure subjects who live under sufficiently similar conditions to have truly common factors as a basis for comparison. Although this study is based on a group of subjects who had few significant factors in common, the facts are presented because the group was large and the conditions under which the observations were made were unusually uniform and favorable for a fairly accurate analysis and sorting of data.

METHOD OF INVESTIGATION  This study was made in Dayton, Ohio, on a group of about two

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