Shihabudeen T. The effect of intrauterine human chorionic gonadotrophin injection before embryo transfer on the implantation and pregnancy rate in infertile patients: a retrospective study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2022 Dec. 28 [cited 2025 Oct. 12];12(1):108-13. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/11820