Postcoital pills could cut unplanned pregnancies by half.
D000569:Americas; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital; D003710:Demography; D019049:Developed Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005298:Fertility; D009656:North America; D011153:Population; D011157:Population Dynamics; D011247:Pregnancy; D012725:Sexual Behavior; D014481:United States
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital
Americas; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Postcoital; Contraceptive Methods; Critique; Demographic Factors; Developed Countries; Family Planning; Fertility; North America; Northern America; Oral Contraceptives; Population; Population Dynamics; Pregnancy, Unplanned; Reproductive Behavior; United States