The Effect of Dual Trigger of Oocyte Maturation with Gonadotropin-Releasing Hormone Agonist and Low-Dose Human Chorionic Gonadotropin on Pregnancy Rate in Women at Risk of Ovarian Hyperstimulation Syndrome

Document Type : Original Article

Authors

1 Obstetrics and Gynecology Departments, Faculty of Medicine

2 International Islamic Center for Population Studies and Research (Assisted Reproduction Unit) Al-Azhar University

Abstract

Background: the purpose of this study was to compare rates of ovarian hyperstimulation syndrome (OHSS) and the pregnancy outcome after using gonadotropin-releasing hormone agonists (GnRHa) alone and GnRHa in combination with low-dose human chorionic gonadotropin (hCG, dual trigger) for final oocyte maturation in women undergoing controlled ovarian hyperstimulation (COH). Patients and Methods: the study included 150 female patients with high risk of OHSS occurrence who were allocated by the Computer-based randomization method into two groups with 75 patients in each arm, Group I received GnRHa trigger and Group II received dual trigger (GnRHa + low-dose (1500 IU) hCG trigger). Results: Our study showed that the incidence of OHSS was higher after dual trigger than GnRHa trigger but with no statistically significant difference (8.0 vs 1.33 %, p >0.05). There were 6 cases of OHSS developed with dual trigger group (Group II) (3 were mild early OHSS, 2 were moderate early and one case was severe late OHSS). In contrast, there was only one case of severe late OHSS seen in Group I. Conclusion: Dual trigger for final oocyte maturation using GnRHa and low-dose hCG is associated with increased the incidence of early OHSS compared to GnRH alone. However, dual trigger appears to be a safe approach with a satisfactory pregnancy outcome. Also, the dual trigger improves the oocyte maturation, the number of yield embryos and the quality of embryos.

Keywords

The Egyptian Journal of Hospital Medicine
Volume 74, Issue 8
January 2019
Pages 1687-1697

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