Objective
Edited by: Richard Ivell, University of Nottingham, United KingdomReviewed by: Dazhi Fan, Foshan Women and Children Hospital, China; Alan Decherney, Clinical Center (NIH), United StatesTo assess whether the administration of Zishen Yutai Pill (ZYP) could improve the pregnancy outcomes in different subgroups of women undergoing fresh embryo transfer cycles.