Effect of unplanned spontaneous follicular growth and ovulation on pregnancy outcomes in planned artificial frozen embryo transfer cycles: a propensity score matching study - Su, Yan; Ji, Hui; Jiang, Wei; Xu, Lu; Lu, Jing; Zhao, Chun; Zhang, Mianqiu; Cao, Shanren; Ling, Xiufeng; Shen, Rong (Human reproduction (Oxford), 2021)
Keywords: propensity score matching; follicular growth and ovulation; frozen-thawed embryo transfer; unplanned spontaneous; pregnancy outcomes; planned artificial; endogenous progesterone; cycle