The discussion traces the development of the oral contraceptive (OC) pill and presents the most recent medical findings on OC and its effects. In 1959 the 1st combined OC, Enovid, was officially approved for use in the US after clinical trials in Los Angeles and Puerto Rico. By 1975, OCs were being used in the US by more than 1/3 of married women who practiced family planning and by an even higher percentage of unmarried contraceptive users. Retail pharmacy sales of OCs have declined by 40
来源:Initiatives in population 1983 年 7卷 3期