Fig. 1From: Perinatal outcomes of neonates born from different endometrial preparation protocols after frozen embryo transfer: a retrospective cohort studyStudy flow chart. a PGT, preimplantation genetic testing. b HRT, hormone replacement therapy. c Early miscarriage was defined as spontaneous loss of pregnancy before 12 gestational weeks. d Late miscarriage was defined as pregnancy loss between 12 and 28 gestational weeksBack to article page