Emergency contraception.
D001294:Attitude to Health; D044363:Contraception, Postcoital / Q000379:methods / Q000523:psychology*; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006304:Health Status; D006801:Humans; D008297:Male; D049168:Pregnancy, Unplanned; D011634:Public Health; D012725:Sexual Behavior