A prospective cohort study was undertaken to determine if there is an association between cigarette
A prospective cohort study was undertaken to determine if there is an association between cigarette smoking during pregnancy and spontaneous abortion. Women were interviewed during their pregnancy to collect information on smoking and other characteristics and were followed up until delivery or spontaneous abortion. The results were as follows: smoking during pregnancyspontaneous abortionnormal deliverytotalSmoking55022002750non-smoking40048205220total95070207970 Calculate the relative risk for the association of smoking (versus not smoking) with spontaneous abortion. A.2.61 B.0.52 C.0.38 D.2.02 Health Science Science Nursing BSE MISC Share QuestionEmailCopy link Comments (0)
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