title: Contraception, unintended pregnancies, and sexually transmitted infections: still no simple solutions.
authors.forename: W
authors.initials: W
authors.lastname: Cates
authors.forename: J
authors.initials: J
authors.lastname: Spieler
mesh_terms: D017280:Condoms / Q000706:statistics & numerical data; D003267:Contraception / Q000379:methods*; D003268:Contraception Behavior / Q000523:psychology / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011275:Pregnancy, Unwanted / Q000523:psychology; D012307:Risk Factors; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*