作者: Roberta B. Ness , Jeane Ann Grisso , Nancy Hirschinger , Nina Markovic , Leslie M. Shaw
DOI: 10.1056/NEJM199902043400501
关键词:
摘要: Background Cigarette smoking and cocaine use may be risk factors for spontaneous abortion, but data supporting such a link are limited. Methods We studied the associations between tobacco abortion among pregnant adolescents women (age range, 14 to 40 years) who sought care at an inner-city emergency department. A total of 400 had abortions either study entry or during follow-up (which lasted until 22 weeks' gestation), 570 remained past gestation. Cocaine was measured base line by self-reports analysis urine hair samples. analysis. Results The in both groups were predominantly black lower socioeconomic status. Among those abortions, 28.9 percent used on basis 34.6 smoked cotinine assay, as compared with ...