410
Participants
Start Date
May 1, 2022
Primary Completion Date
December 30, 2024
Study Completion Date
December 30, 2025
second ejaculate
group patients received IUI for pregnancy assistance 1 hour after the first sperm extraction. The two semen were mixed and treated.
Sun Yat-Sen Memorial Hospital, Guangzhou
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
OTHER