Safety of repeated use of emergency contraceptive pills in the same menstrual cycle: a systematic review.

ABSTRACT:

Background

Emergency contraception refers to contraceptive methods used following unprotected sexual intercourse.

Objective

To review the literature on safety of repeated use of emergency contraceptive pills (ECPs) in the same menstrual cycle.

Methods

We searched multiple databases from inception through February 2024 for articles on repeated ECP use. We assessed the risk of bias for each study and certainty of evidence for all outcomes.

Results

From 4565 articles identified, six met the inclusion criteria. Four studies of repeated levonorgestrel (LNG)-ECP use provided very low certainty evidence. Among women who became pregnant after at least one use of LNG-ECP in the conception cycle, women with ectopic pregnancy had increased odds of repeated LNG-ECP use in

SUBMITTER: Steyn PS 

PROVIDER: S-EPMC12703341 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature