ArticleJournal of the Turkish German Gynecological Association2024
Impact of stimulation with luteinizing hormone activity on IVF outcomes in patients with polycystic ovary syndrome.
Article in Journal of the Turkish German Gynecological Association, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Impact of adding r-LH to r-FSH during ovarian stimulation on reproductive outcomes of women with polyendocrine metabolic ovarian syndrome undergoingFrontiers in endocrinology · 2026Article
- Protocol-Specific Luteinizing Hormone Thresholds for IVF Pregnancy Outcomes: The Moderating Role of Age in a Retrospective Study of 217 Cycles.International journal of women's health · 2026Article
- The role of luteinizing hormone in the management of female infertility: A French Delphi consensus.Journal of assisted reproduction and genetics · 2025Article
- Estradiol-to-oocyte ratio as a prognostic biomarker of assisted reproductive outcomes in women with polycystic ovary syndrome: The impact of LH activity.Women's health (London, England)Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
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.
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