EVALUATION OF OOCYTE QUANTITY AND QUALITY OF THE PROTOCOL: RANDOM START OVARIAN STIMULATION USING PROGESTIN IN INFERTILE WOMEN

Thế Sơn Trịnh

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Abstract

Objective: To evaluate the quantity and quality of oocytes retrieved using the protocol random start ovarian stimulation using progestin (Random-start PPOS). Subjects and Methods: This was a retrospective descriptive study conducted at the Military Institute of Clinical Embryology and Histology - Vietnam Military Medical University and Viet Bi Fertility and Andrology Hospital from January 2024 to April 2025. A total of 65 couples of reproductive age undergoing in vitro fertilization treatment using the Random-start PPOS protocol were recruited. Exogenous gonadotropins and progestin were administered at any time point during the menstrual cycle. Oocyte maturation was triggered with GnRHa, followed by oocyte retrieval, and the oocyte yield and fertilization rate after ICSI were assessed. The quantity and quality of retrieved oocytes were assessed. Results: The mean age of the study participants was 34.40 ± 6.04 years. The average duration of ovarian stimulation was 9.81 ± 1.29 days, with an initial FSH dose of 247.92 ± 51.37 IU/day. Oocyte retrieval efficiency was favorable, yielding an average of 9.47 ± 7.22 oocytes, of which 6.77 ± 5.46 were mature oocytes, and achieving a fertilization rate of 79%. Conclusion: The Random Start ovarian stimulation using progestin protocol shows promising potential for retrieving a good quantity of oocytes and achieving favorable fertilization rates in infertile women undergoing in vitro fertilization.

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References

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