1. Effectiveness of the flexible progestin primed ovarian stimulation protocol compared to the flexible GnRH antagonist protocol in women with decreased ovarian reserve.
- Author
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Turkgeldi, Engin, Yildiz, Sule, Cekic, Sebile Guler, Shakerian, Bahar, Keles, Ipek, and Ata, Baris
- Subjects
INFERTILITY treatment ,PROGESTERONE ,MEDROXYPROGESTERONE ,OVUM ,ESTRADIOL ,RETROSPECTIVE studies ,GONADOTROPIN releasing hormone ,OVARIAN reserve ,TREATMENT effectiveness ,INDUCED ovulation ,CRYOPRESERVATION of organs, tissues, etc. ,LONGITUDINAL method ,PHARMACODYNAMICS ,CHEMICAL inhibitors - Abstract
The aim of this retrospective cohort study was to compare the effectiveness of the new flexible progestin primed ovarian stimulation (fPPOS) protocol with the flexible gonadotropin-releasing-hormone antagonist (GnRH-ant) protocol in women with decreased ovarian reserve (DOR). Twenty-seven women who underwent fPPOS and 54 age-matched women who received GnRH-ant for pituitary suppression were included in the study. All women had DOR and underwent oocyte cryopreservation. Three-hundred IU/day FSH was started on cycle day 2–3 and 0.25 mg/day GnRH-ant or 10 mg/day medroxyprogesterone acetate was started when the leading follicle reached 14 mm or serum oestradiol level was ≥200 ng/mL. The median duration of stimulation, day of commencing pituitary suppression and duration of suppression were similar in both groups, with 8, 5, and 5 days, respectively. The median number of cumulus-oophorous complexes (4.0 vs 5.5), metaphase-two oocytes (3 vs 4), the total number of oocytes cryopreserved (3.0 vs 4.5), and oocyte maturation rates (0.67 vs 0.70) were similar between the fPPOS and GnRH-ant groups, respectively. There was one case of premature ovulation in the fPPOS group and none in the GnRH-ant group (p = 0.91). In conclusion, fPPOS may be used in women with DOR without compromising the number of oocytes retrieved and seems a viable alternative to the flexible GnRH-ant protocol. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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