Results of selected studies on neonatal morbidity.

*Anomalies: notations of dysmorphia, hydrocephalus, Down syndrome.Abbreviations: EOS - early onset sepsis; LOS - late onset sepsis; RDS - respiratory distress syndrome; BPD - bronchopulmonary dysplasia; GA - gestational age; PDA - patent duct arteriosus; ROP - retinopathy of prematurity; NEC - necrotizing enterocolitis; NRFHT - non-reassuring fetal heart tracing; CNS - central nervous system; NRFHS - non-reassuring fetal heart status.Abbreviations placental lesions: AIUI - ascending intrauterine infection; MVU - maternal vascular underperfusion; FTV - fetal thrombotic vasculopathy; VUE - villitis of unknown etiology; UC - umbilical cord; NRBCs - elevated nucleated red blood cells.