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30.11.2023 | Gynecologic Endocrinology and Reproductive Medicine

Effect of GnRH agonist trigger with or without low-dose hCG on reproductive outcomes for PCOS women with freeze-all strategy: a propensity score matching study

verfasst von: Qiaofeng Wang, Qi Wan, Tian Li, Xuejiao Wang, Yuling Hu, Zhaohui Zhong, Kexue Pu, Yubin Ding, Xiaojun Tang

Erschienen in: Archives of Gynecology and Obstetrics | Ausgabe 2/2024

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Abstract

Purpose

This study aimed to compare the effect of gonadotropin-releasing hormone agonist (GnRHa) trigger alone versus dual trigger comprising GnRHa and low-dose human chorionic gonadotropin (hCG) on reproductive outcomes in patients with polycystic ovary syndrome (PCOS) who received the freeze-all strategy.

Methods

A total of 615 cycles were included in this retrospective cohort study. Propensity score matching (PSM) was performed to control potential confounding factors between GnRHa-trigger group (0.2 mg GnRHa) and dual-trigger group (0.2 mg GnRHa plus 1000/2000 IU hCG) in a 1:1 ratio. Multivariate logistic regression was applied to estimate the association between trigger methods and reproductive outcomes.

Results

After PSM, patients with dual trigger (n = 176) had more oocytes retrieved, mature oocytes, and 2PN embryos compared to that with GnRHa trigger alone. However, the oocytes maturation rate, normal fertilization rate, and frozen embryos between the two groups were not statistically different. The incidence of ovarian hyperstimulation syndrome (OHSS) (14.8% vs. 2.8%, P < 0.001) and moderate/severe OHSS (11.4% vs. 1.7%, P < 0.001) were significantly higher in dual-trigger group than in GnRHa-alone group. Logistic regression analysis showed the adjusted odds ratio of dual trigger was 5.971 (95% confidence interval 2.201–16.198, P < 0.001) for OHSS. The pregnancy and single neonatal outcomes were comparable between the two groups (P > 0.05).

Conclusion

For PCOS women with freeze-all strategy, GnRHa trigger alone decreased the risk of OHSS without damaging oocyte maturation and achieved satisfactory pregnancy outcomes.

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Titel: Effect of GnRH agonist trigger with or without low-dose hCG on reproductive outcomes for PCOS women with freeze-all strategy: a propensity score matching study
verfasst von: Qiaofeng Wang
Qi Wan
Tian Li
Xuejiao Wang
Yuling Hu
Zhaohui Zhong
Kexue Pu
Yubin Ding
Xiaojun Tang
Publikationsdatum: 30.11.2023
Verlag: Springer Berlin Heidelberg
Erschienen in: Archives of Gynecology and Obstetrics / Ausgabe 2/2024
Print ISSN: 0932-0067
Elektronische ISSN: 1432-0711
DOI: https://doi.org/10.1007/s00404-023-07285-1

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Effect of GnRH agonist trigger with or without low-dose hCG on reproductive outcomes for PCOS women with freeze-all strategy: a propensity score matching study