title: The effect of birth interval on perinatal survival and birth weight.
mesh_terms: D000328:Adult; D001721:Birth Intervals; D001724:Birth Weight; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007492:Iran; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy