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Retraction Note: The comparison of two different protocols ultra-long versus medroxyprogesterone acetate in women with ovarian endometriosis: a prospective randomized controlled trial
Reproductive Health volume 22, Article number: 36 (2025)
The Original Article was published on 04 October 2022
Retraction Note: Reproductive Health (2022) 19:198 https://doiorg.publicaciones.saludcastillayleon.es/10.1186/s12978-022-01500-z
The Editors-in-Chief have retracted this article because it overlaps significantly with another article [1] from the same author group. Haiyan Guo, Hongyuan Gao, Qianwen Xi, Ling Wu, Qifeng Lyu and Qianqiun Zhu have not responded to correspondence from the Publisher about this retraction. Tong Du has stated that they were not aware of the submission of this article and did not participate in this study.
Reference
Guo H, Li J, Shen X, Cong Y, Wang Y, Wu L, Li B, Gao H, Ma M, Zhang W, Mao X, Fu Y, Lyu Q, Chai W, Kuang Y. Efficacy of different progestins in women with advanced endometriosis undergoing controlled ovarian hyperstimulation for in vitro fertilization—a single-center non-inferiority randomized controlled trial. Front Endocrinol (Lausanne). 2020. https://doiorg.publicaciones.saludcastillayleon.es/10.3389/fendo.2020.00129.
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Guo, H., Du, T., Gao, H. et al. Retraction Note: The comparison of two different protocols ultra-long versus medroxyprogesterone acetate in women with ovarian endometriosis: a prospective randomized controlled trial. Reprod Health 22, 36 (2025). https://doiorg.publicaciones.saludcastillayleon.es/10.1186/s12978-025-01977-4
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DOI: https://doiorg.publicaciones.saludcastillayleon.es/10.1186/s12978-025-01977-4