471
Participants
Start Date
February 26, 2019
Primary Completion Date
May 14, 2022
Study Completion Date
May 15, 2022
Medroxyprogesterone Acetate
At a dosage of 10mg/day
Dydrogesterone 10 MG
At a dosage of 20 mg/day
Obstetrics and Gynecology Hospital, Fudan University, Shanghai
Xiaojun Chen
OTHER