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Immediate post-abortal insertion of intrauterine devices.

Abstract：

OBJECTIVES:To assess the safety and efficacy of IUD insertion immediately after spontaneous or induced abortion. SEARCH STRATEGY:We used Medline, Popline, and EMBASE computer searches, supplemented by review articles and contacts with investigators. SELECTION CRITERIA:We sought all randomized controlled trials that had at least one treatment arm that involved IUD insertion immediately after an induced abortion or after curettage for spontaneous abortion. We identified 12 trials which described random assignment but excluded three from this review. Two of these revealed unethical research conduct, and one used alternate assignment to treatments. DATA COLLECTION AND ANALYSIS:We evaluated the methodological quality of each report and abstracted information onto a data collection form. We focused on gross discontinuation rates (single-decrement life table analysis) for accidental pregnancy, perforation, expulsion, and pelvic inflammatory disease. We entered the data into RevMan 3.1 for analysis of Peto odds ratios. MAIN RESULTS:In large multicenter trials, the TCu 220C device proved superior to either the Lippes Loop D or the Copper 7 IUDs for immediate post-abortal insertion. The Peto OR for discontinuation for pregnancy was 0.4 (95% CI 0.2-0.7) compared with the Lippes Loop D and 0.5 (95% CI 0.3-0.8) compared with the Copper 7. Expulsions were also significantly less common with the TCu 220C than with the other two IUDs. In single-center trials, the Nova T IUD had a signicantly higher discontinuation rate for pregnancy than did the Multiload 250 (OR 4.5; 95% CI 1.0-19.8), while the Nova T had a significantly lower discontinuation rate for pregnancy than did the TCu 200 (OR 0.3; 95% CI 0.1-0.9). Only one trial compared immediate vs. delayed insertion. In this trial, the performance of the Copper 7 IUD inserted immediately after abortion was inferior to that after interval insertion (remote from pregnancy), although the differences were not statistically significant. Addition of copper sleeves to a Lippes Loop D improved its performance, but addition of a topical hydrogel to a Spring Coil did not offer benefit. Overall, rates of perforation and pelvic inflammatory disease were low. REVIEWER'S CONCLUSIONS:Insertion of an IUD immediately after abortion is both safe and practical. This was true for both induced and reported "spontaneous" abortions, many of which may have been induced under clandestine circumstances. IUD expulsion rates were higher after second-trimester abortions than after earlier abortions, so delaying insertion may be advisable after later abortions. Although Copper 7 devices inserted unrelated to pregnancy may perform better than those inserted after abortion, many women who express interest in intrauterine contraception do not return for the scheduled insertion. These women may remain unprotected against unintended pregnancy. However, evidence is inadequate to compare the safety and efficacy of IUD insertion immediately after abortion vs. insertion some weeks later.

journal_name

Cochrane Database Syst Rev

journal_title

The Cochrane database of systematic reviews

authors

Grimes D,Schulz K,Stanwood N

doi

10.1002/14651858.CD001777

keywords:

subject

Has Abstract

pub_date

2000-01-01 00:00:00

pages

CD001777

issue

issn

1469-493X

pii

CD001777

pub_type

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Immediate post-abortal insertion of intrauterine devices.