title: [Variations in fertility: comparison among 3 age cohorts].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D005298:Fertility; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D012189:Retrospective Studies
vernacular_title: Mudança na fertilidade: comparação de 3 coortes de idade.