Plan B and the Politics of Doubt

摘要

THE AUGUST 24,2006, DECISION BY THE US FOOD AND Drug Administration (FDA) to approve over-the-counter (OTC) sales of the emergency contraceptive Plan B-1.5 mg of levonorgestrel taken after unprotected sexual intercourse-was a major development in a long and contentious regulatory process. Since the drug is more effective the sooner it is used, the delay in obtaining it imposed by its prior prescription-only status limited its effectiveness