20α-dihydrodydrogesterone is the major active metabolite of Dydrogesterone produced in the human body after oral administration. 20α-dihydrodydrogesterone can be used for the research of infertility [1].
References:
[1]. Neumann K, et al. Dydrogesterone and 20α-dihydrodydrogesterone plasma levels on day of embryo transfer and clinical outcome in an anovulatory programmed frozen-thawed embryo transfer cycle: a prospective cohort study. Hum Reprod. 2022 May 30;37(6):1183-1193.
References:
[1]. Neumann K, et al. Dydrogesterone and 20α-dihydrodydrogesterone plasma levels on day of embryo transfer and clinical outcome in an anovulatory programmed frozen-thawed embryo transfer cycle: a prospective cohort study. Hum Reprod. 2022 May 30;37(6):1183-1193.