Antiphospholipid antibodies in women with recurrent embryo implantation failure: A systematic review and meta-analysis.

Objective: Antiphospholipid antibodies (aPL) are related to poor pregnancy outcomes, but their effect on embryo implantation is unclear. We aimed to assess the prevalence of different aPL in women with recurrent implantation failure (RIF).

Methods: We searched studies in PubMed (MEDLINE), Scopus and Cochrane Library.