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. 2024 Jun 13;25(2):60-65.
doi: 10.4274/jtgga.galenos.2024.2023-12-9.

Impact of stimulation with luteinizing hormone activity on IVF outcomes in patients with polycystic ovary syndrome

Nir Kugelman  1   2 , Amrita Pooni  1 , Keren Rotshenker-Olshinka  1   3 , Véronique Bellemare  1 , Alyson Digby  1 , Michael H Dahan  1
Affiliations

Impact of stimulation with luteinizing hormone activity on IVF outcomes in patients with polycystic ovary syndrome

Nir Kugelman et al. J Turk Ger Gynecol Assoc. .

Abstract

Objective: To compare in-vitro fertilization (IVF) outcomes in polycystic ovary syndrome (PCOS) patients treated with follicle stimulating hormone (FSH) alone or FSH and luteinizing hormone (LH), under freeze-all gonadotropin-releasing hormone (GnRH) antagonist protocols.

Material and methods: This retrospective study at a university center included PCOS patients, who underwent freeze-all GnRH antagonist IVF cycles between January 2013 and December 2019. They were divided into FSH-only and FSH + LH groups, focusing on pregnancy and live birth rates.

Results: The study included 82 patients: 43 received FSH + LH and 39 FSH only. Baseline characteristics were similar, except for higher thyroid stimulating hormone levels in the FSH-only group. The FSH + LH group required a lower mean ± standard deviation total dose of FSH (1271.5±376.7 vs. 1407.2±645.3 IU, p=0.02), had a shorter mean cycle length (7.3±3.4 vs. 8.3±1.6 days, p=0.004), and had a higher mean number of follicles stimulated (36.9±15.9 vs. 35.9±9.7, p=0.008) compared to the FSH-only group. No significant differences in pregnancy and live birth rates were noted at first transfer, but the cumulative live birth rate was significantly higher in the FSH-only group [30 of 39 (76.9%) vs. 24 of 43 (55.8%), p=0.044].

Conclusion: LH supplementation in PCOS patients undergoing GnRH antagonist IVF protocols may impair cumulative live birth rates, despite lowering FSH requirement and reducing IVF cycle length. These results highlight the complex role of LH in IVF outcomes for PCOS patients, suggesting a need for further large studies to fully understand the impact of LH in such treatments.

Keywords: Polycystic ovary syndrome; fertilization in vitro outcome; luteinizing hormone treatment; ovarian stimulation.

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Conflict of interest statement

Conflict of Interest: No conflict of interest is declared by the authors.

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