title: Child survivorship and pregnancy spacing in Iran.
mesh_terms: D000022:Abortion, Spontaneous; D000293:Adolescent; D000328:Adult; D001721:Birth Intervals; D001942:Breast Feeding; D003268:Contraception Behavior; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007492:Iran; D011247:Pregnancy; D012189:Retrospective Studies