• Bin Wang and Zhiling Li.
• Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, P.R. China.
• Medicine (Baltimore). 2023 Feb 3; 102 (5): e32867e32867.

AbstractThe dual-trigger regime, consisting of gonadotrophin releasing hormone agonist and human chorionic gonadotropin (HCG), has been shown to offer advantage over the HCG-only trigger regime. However, little is known about the influence of dual-trigger or HCG-only trigger regime on the reproductive outcome of polycystic ovary syndrome (PCOS) couples undergoing controlled ovarian stimulation (COS) and intrauterine insemination (IUI). A total of 404 cycles of COS and IUI treatments from couples with PCOS were enrolled, and divided, according to the regime of trigger, into dual-trigger group (n = 109, 0.1-0.2 mg gonadotrophin releasing hormone agonist plus 6000 IU HCG) and HCG-only group (n = 295, 10,000 IU HCG or 250 μg recombinant HCG). Baseline characteristics of the 2 groups were comparable (all P > .05). In dual-trigger group, live birth rate, clinical pregnancy rate and β -HCG positive rate were all higher as compared to the HCG-only group (20.18% vs 18.98%, 25.69% vs 23.39% and 28.44% vs 25.08% respectively), despite the differences failed to achieve statistical significances (all P > .05). Moreover, early miscarriage rate and multiple pregnancy rate of the dual-trigger group were lower than those of the HCG-only group (17.86% vs 18.84% and 3.57% vs 7.25% respectively), although no statistical significances were found (all P > .05). Additionally, logistic regression analysis revealed that age contributed significantly to the live birth of couples with PCOS ( P = .043, OR = 0.900). Dual-trigger regime for oocyte maturation seems to associate with beneficial improvements in reproductive outcomes of PCOS couples undergoing COS and IUI. Instead of HCG-only trigger, dual-trigger regime might be an alternative option in COS and IUI cycles for couples with PCOS.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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