title: [Statistical criteria of the perinatal period].
mesh_terms: D001724:Birth Weight; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008428:Maternal Mortality; D011247:Pregnancy
vernacular_title: O statisticheskikh kriteriiakh perinatal'nogo perioda