title: [Mortality in the perinatal period].
mesh_terms: D005260:Female; D006801:Humans; D007086:Illegitimacy; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008800:Mexico; D011247:Pregnancy; D011295:Prenatal Care
vernacular_title: La mortalidad en el periodo perinatal l.