title: Determinants of contraceptive use: from birth control to fertility awareness.
authors.forename: B J
authors.initials: BJ
authors.lastname: Oddens
mesh_terms: D001364:Awareness; D003267:Contraception / Q000379:methods / Q000706:statistics & numerical data; D005260:Female; D005298:Fertility; D006801:Humans; D011247:Pregnancy