406
Participants
Start Date
March 31, 2016
Primary Completion Date
May 31, 2018
Study Completion Date
May 31, 2018
Dydrogesterone
Placebo
Department of Obstetrics and Gynaecology, PYNEH, Chai Wan
Department of Obstetrics & Gynaecology, Queen Mary Hospital, Hong Kong
Department of Obstetrics & Gynaecology, Kwong Wah Hospital, Mong Kok
The University of Hong Kong
OTHER