55
Participants
Start Date
July 8, 2020
Primary Completion Date
March 5, 2021
Study Completion Date
September 5, 2021
Endometrial biopsy
Subjects need to collect 5ml whole blood (EDTA or heparin anticoagulant) once in the morning on an empty stomach. Endometrial tissue samples were taken during a complete 28-day menstrual cycle, a total of 6 times, and blood was taken to measure the level of gonadal hormones before each sampling.
Department of Obstetrics and Gynecology,First Affliated Hospital,Heilongjiang University of Chinese Medicine ., Harbin
Heilongjiang University of Chinese Medicine
OTHER