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In this study, we aimed to compare the efficacy of luteal phase stimulation (LPS) and follicular phase stimulation (FPS) in two separate menstrual cycles (2-5 months intervals) of the same patient, utilizing LPS with dydrogesteron only. This retrospective case control study was conducted with patients with diminished ovarian reserve (DOR) (Group 1) and infertile patients with Anti-Müllerian hormone >1.2 ng/mL (Group 2) undergoing two ovarian stimulations (FPS and LPS with dydrogesteron only) and two oocyte retrievals in two separate menstrual cycles (2-5 months intervals) in the Division of Reproductive Endocrinology and Infertility of Baskent University, Ankara, between April 2019 and December 2019. In group 1, the number of frozen embryos was significantly higher in LPS when compared to FPS; 1.71 vs. 0.54, (p < .001), respectively. In group 2, the number of frozen embryos was higher in LPS when compared to FPS (0.8 vs. 0.4) however the difference did not reach a statistical significance (p: 0.157). LPS may be beneficial especially in the patients with diminished ovarian reserve with follicular asynchronization in the menstrual onset. In addition, it should be kept in mind that dydrogesterone only may be used instead of gonadotropin-releasing hormone antagonist to prevent possible luteinizing hormone rise in LPS.

Citation

Hulusi Bulent Zeyneloglu, Yusuf Aytac Tohma, Emre Gunakan, Gogsen Onalan, Tahir Eryılmaz. Dydrogesterone primed luteal phase stimulation may be better than follicular phase stimulation in patients with diminished ovarian reserve. Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology. 2021 Nov;37(11):1000-1002

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PMID: 33944650

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