Related Experiment Videos
Risk factors for ectopic pregnancy: a meta-analysis
W M Ankum1, B W Mol, F Van der Veen
1Department of Obstetrics and Gynecology, Academic Medical Centre, University of Amsterdam, The Netherlands.
Fertility and Sterility
|June 1, 1996
Summary
Women with a history of ectopic pregnancy (EP), tubal surgery, or DES exposure face a significantly higher risk. Identifying these risk factors can help develop screening strategies for EP.
Area of Science:
- Reproductive Health
- Gynecology
- Epidemiology
Background:
- Ectopic pregnancy (EP) is a significant concern in reproductive health.
- Understanding risk factors is crucial for prevention and early detection.
Purpose of the Study:
- To review and synthesize current knowledge on risk factors for ectopic pregnancy (EP).
- To identify key associations contributing to EP occurrence, excluding contraceptive methods.
Main Methods:
- A meta-analysis was conducted, synthesizing data from 27 case-control and 9 cohort studies.
- Studies published between 1978 and 1994 were included, with data analyzed using Mantel-Haenszel methods.
Main Results:
- Strong associations with EP risk include previous EP, tubal surgery, tubal pathology, and in utero diethylstilbestrol (DES) exposure.
- Mildly increased risks were linked to previous genital infections (PID, chlamydia, gonorrhea), infertility, and higher lifetime number of sexual partners.
Conclusions:
- Women with a history of EP, tubal surgery, tubal pathology, or in utero DES exposure represent a high-risk group warranting screening.
- The choice of control group (pregnant vs. non-pregnant) influences odds ratio calculations for certain risk factors.