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Lamb, J.D., Shen, S., McCulloch, C., Jalalian, L., Cedars, M.I. and Rosen, M.P. (2011) Follicle-Stimulating Hormone Administered at the Time of Human Chorionic Gonadotropin Trigger Improves Oocyte Developmental Competence in in Vitro Fertilization Cycles: A Randomized, Double-Blind, Placebo-Controlled Trial. Fertility and Sterility, 95, 1655-1660.
https://doi.org/10.1016/j.fertnstert.2011.01.019

has been cited by the following article:

• TITLE: GnRH-Agonist Trigger versus Human Chorionic Gonadotrophin (HCG) Trigger in Cases of Controlled Ovarian Stimulation; Randomized Controlled Trial

  AUTHORS: Mohamed Elmahdy, Suzan Elsharkawy

  KEYWORDS: GnRH Agonist, HCG, Ovulation Trigger, OHSS

  JOURNAL NAME: Open Journal of Obstetrics and Gynecology, Vol.11 No.11, November 10, 2021

  ABSTRACT: Objectives: The aim of the study was to compare the efficacy and safety of GnRH-agonist to the human chorionic gonadotrophin (HCG) trigger in cases of simple ovarian stimulation. Study design: Randomized controlled trial was conducted on 291 women complaining of unexplained infertility visiting Elshatby Maternity University Hospital from February to December 2019. Trial registration unique ID is PACTR202001787868341 (https://www.pactr.org/). Age included from 20 - 43 years. All patients were stimulated by the sequential stimulation protocol using letrozole then FSH injection, when the criteria of ovulation trigger were reached; cases were randomized into two groups using closed envelopes method. Group A (123 cases) GnRh agonist (triptorelin 0.2 IU) subcutaneous injection and Group B (168 cases) HCG 10,000 IU intramuscular injection were used for triggering of ovulation then followed by timed intercourse. Results: Primary outcome was the clinical pregnancy rate while rate of miscarriage and ovarian hyper-stimulation rate were the secondary outcome. Clinical pregnancy rates, in Group A were (21.1%) while it was (31.5%) in another group (P = 0.049). Miscarriage rate was (4.9%) in the first group and (3.6%) in the second group (P = 0.580). Except for one case of moderate ovarian hyper-stimulation syndrome (OHSS) complicated the HCG group, there were no such cases in GnRH group. Conclusion: Triggering final oocyte maturation with HCG was superior to GnRH agonists triggers as regards the clinical pregnancy rate.