Inclusion Criteria:  Patients with a minimum of 8 - 10 follicles during ovarian stimulation Patients with a minimum of 8 mature oocytes PGT-A ICSI BMI<35 Age 18- 40 Fresh or frozen ejaculated sperm >10,000 motile sperm Any ovarian stimulation Embryos cultured in benchtop incubator  Exclusion Criteria:  PGT-M or PGT-SR Previous history of embryo arrest Endometriosis History of previous treatment which may impact the ovarian reserve (adnexal surgery, chemotherapy, radiation…)