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http://dx.doi.org/10.5653/cerm.2011.38.4.228

GnRH antagonist multiple dose protocol with oral contraceptive pill pretreatment in poor responders undergoing IVF/ICSI  

Kim, Chung-Hoon (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
You, Rae-Mi (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Kang, Hyuk-Jae (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Ahn, Jun-Woo (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Ulsan University Hospital, University of Ulsan College of Medicine)
Jeon, Il-kyung (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Lee, Ji-Won (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Kim, Sung-Hoon (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Chae, Hee-Dong (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Kang, Byung-Moon (Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine)
Publication Information
Clinical and Experimental Reproductive Medicine / v.38, no.4, 2011 , pp. 228-233 More about this Journal
Abstract
Objective: To investigate the effectiveness of GnRH antagonist multiple-dose protocol (MDP) with oral contraceptive pill (OCP) pretreatment in poor responders undergoing IVF/ICSI, compared with GnRH antagonist MDP without OCP pretreatment and GnRH agonist low-dose long protocol (LP). Methods: A total of 120 poor responders were randomized into three groups according to controlled ovarian stimulation (COS) options; GnRH antagonist MDP after OCP pretreatment (group 1), GnRH antagonist MDP without OCP pretreatment (group 2) or GnRH agonist luteal low-dose LP without OCP pretreatment (group 3). Patients allocated in group 1 were pretreated with OCP for 21days in the cycle preceding COS, and ovarian stimulation using recombinant human FSH (rhFSH) was started 5 days after discontinuation of OCP. Results: There were no differences in patients' characteristics among three groups. Total dose and days of rhFSH used for COS were significantly higher in group 3 than in group 1 or 2. The numbers of mature oocytes, fertilized oocytes and grade I, II embryos were significantly lower in group 2 than in group 1 or 3. There were no significant differences in the clinical pregnancy rate and implantation rate among three groups. Conclusion: GnRH antagonist MDP with OCP pretreatment is at least as effective as GnRH agonist low-dose LP in poor responders and can benefit the poor responders by reducing the amount and duration of FSH required for follicular maturation.
Keywords
Gonadotropin-releasing hormone; Antagonist; Agonist; Oral Contraceptives; Poor Responders; In vitro fertilization; Intracytoplasmic sperm injection; Human;
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