The effectiveness of controlled ovarian stimulation with tamoxifen for patients with estrogen-sensitive breast cancer: A systematic review and meta-analysis.

Purpose: Tamoxifen is used for the suppression of estrogen-sensitive tumor recurrence in oocyte retrieval cycles. This meta-analysis aimed to evaluate the quality of controlled ovarian stimulation (COS) with co-administration of gonadotropins and tamoxifen (COS with tamoxifen).

Methods: PubMed, Embase, and Cochrane Library were searched for articles on October 30, 2022.