title: Puerto Rico: recent trends in fertility and sterilization.
mesh_terms: D000293:Adolescent; D000328:Adult; D003267:Contraception / Q000379:methods; D003710:Demography; D005193:Family Planning Services / Q000639:trends*; D005260:Female; D005298:Fertility; D006801:Humans; D008393:Marriage; D008875:Middle Aged; D011247:Pregnancy; D011647:Puerto Rico; D013245:Sterilization, Reproductive / Q000639:trends*