Results
Overall, 2,176 couples were assessed for eligibility from August 2016 to July 2020. Those with abnormal sperm parameters (n = 859) were excluded. A total of 1,317 couples (maternal age, 37.1 ± 4 yrs; paternal age, 39.2 ± 6 yrs) undergoing ICSI cycles with preimplantation genetic testing were enrolled in our study (