Emergency contraception.
D000367:Age Factors; D044363:Contraception, Postcoital / Q000379:methods* / Q000592:standards; D016529:Emergency Nursing / Q000592:standards*; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D007231:Infant, Newborn; D024802:Nurse's Role; D010353:Patient Education as Topic; D057184:Practice Patterns, Nurses'; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D012956:Societies, Nursing