Condom use.
D017280:Condoms / Q000706:statistics & numerical data*; D003268:Contraception Behavior; D003271:Contraceptive Agents, Female; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D013245:Sterilization, Reproductive
D003271:Contraceptive Agents, Female