Nan Fang Yi Ke Da Xue Xue Bao 2021 Jul;41(7):1050-1055
Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
Objective: To investigate the association of the number and quality of embryos transferred in frozen-thawed embryo transfer (FET) cycle with the occurrence of early pregnancy loss in infertile women at an advanced age.
Methods: We collected the data of a total of 2622 infertile women aged 36 years or older receiving FET between January, 2015 and December, 2018. The occurrence of early pregnancy loss was analyzed in these women, and the relation of age, the number and quality of embryos transferred with early pregnancy loss was explored in the overall cohort and in different age (36-37, 38-39, 40, 41, 42, 43, 44 and 45-48 years) groups. Read More