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The intrauterine device and ectopic pregnancy
1Medical Research Consultants Inc., Chapel Hill, North Carolina.
Contraception
|July 1, 1987
Summary
Intrauterine device (IUD) use, past or present, does not increase ectopic pregnancy risk. Copper IUDs show lower risk than progesterone IUDs, but duration of use shows no correlation.
Area of Science:
- Reproductive Health
- Gynecology
- Medical Devices
Background:
- Intrauterine devices (IUDs) are widely used contraceptives.
- Concerns exist regarding the association between IUD use and ectopic pregnancy risk.
Purpose of the Study:
- To evaluate the risk of ectopic pregnancy in current and past IUD users.
- To assess the influence of IUD duration and type on ectopic pregnancy risk.
Main Methods:
- Systematic review and meta-analysis of case-control and cohort studies.
- Pooled data analysis from clinical studies on various IUD types.
Main Results:
- Current and past IUD users do not exhibit an increased risk of ectopic pregnancy.
- No association found between IUD duration (current or past use) and ectopic pregnancy risk.
- Copper-bearing IUDs were associated with the lowest ectopic pregnancy risk, while progesterone-releasing IUDs had the highest risk.
Conclusions:
- IUD use, irrespective of duration or past/current status, is not linked to a higher risk of ectopic pregnancy.
- Ectopic pregnancy risk varies by IUD type, with copper IUDs being safer than progesterone IUDs.
- Further research is warranted for past IUD users, considering potential infertility risks.