口服避孕药所致午蹈病是一种少见的并发症,其人口发病率及发病机制尚不清楚.作者报导的五例均系年青未产妇女,平均年龄为19岁,皆服用或低剂量或高剂量的含雌性激素避孕药,于服药后不久(平均5周)即呈现午蹈症状.作者综合文献在22例资料中:罹患年龄范在17～40岁之间生育妇女,平均年龄22岁,平均于服用避孕药后第九周出现午 Oral contraceptives caused by chorea is a rare complication, its incidence and pathogenesis of the population is unclear.The author reported five cases were young women, the average age was 19 years old, both taking or low dose Or high doses of estrogen-containing contraceptives, showing symptoms of dystocia shortly after taking the medication (average 5 weeks) .In 22 cases of data: women aged between 17 and 40 years old with an average age of 22 Years old, on average, the ninth week after taking birth control pills appear noon