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- Title
Ectopic Pregnancy and Prior Induced Abortion.
- Authors
Levin, Ann Aschengrau; Schoenbaum, Stephen C.; Stubblefield, Phillip G.; Zimicki, Susan; Monson, Richard R.; Ryan, Kenneth J.
- Abstract
We compared the prior pregnancy histories of 85 multigravid women with an ectopic pregnancy and 498 multigravid delivery comparison subjects. We found a relationship between the number of prior induced abortions and the risk of ectopic pregnancy: the crude relative risk of ectopic pregnancy was 1.6 for women with one prior induced abortion and 4.0 for women with two or more prior induced abortions; however, USC of multivariate techniques to control confounding factors reduced the relative risks to 1.3 (95 per cent confidence interval, 0.6-2.7) and 2.6 (95 per cent confidence interval, 0.9-7.4), respectively. The analysis suggests that induced abortion may be one of several risk factors for ectopic pregnancy, particularly for women who have had abortions plus pelvic inflammatory disease or multiple abortions.
- Subjects
ECTOPIC pregnancy; PREGNANCY complications; ABORTION; OBSTETRICAL emergencies; BIRTH control; DISEASES in women; PREGNANCY; CONCEPTION; REPRODUCTION
- Publication
American Journal of Public Health, 1982, Vol 72, Issue 3, p253
- ISSN
0090-0036
- Publication type
Article
- DOI
10.2105/AJPH.72.3.253