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事后避孕药片(PCP)已经在许多国家得到批准使用,最近在美国也得到使用许可。美国国内的使用方案如下:性交后72h之内服用含100 mg炔雌醇(EE)及0.5 mg左旋18甲基炔诺酮的PCP,第一次服药后12 h再取一次,剂量相同。由于众多学者认为,含高剂量雌激素的口服避孕药(OC)有增加特发性静脉血栓栓塞(IVTE)的危险性,本文依据美国医疗研究数据库的资料,分析PCP对IVTE的危险性,同时还分析了其它OC及妊娠对IVTE的危险性。本研究共分4组:组1PCP组。组2 OC组(第二代OC,<35 μg
Postpartum contraceptive tablets (PCPs) have been approved for use in many countries and recently in the United States. US domestic use of the program are as follows: within 72h after sexual intercourse taking 100 mg of ethinyl estradiol (EE) and 0.5 mg of 18-norgestrel PCP, 12 h after the first dose taken again, the same dose. Because many scholars believe that oral estrogen-containing oral contraceptives (OC) may increase the risk of idiopathic venous thromboembolism (IVTE), we analyzed the risk of PCP to IVTE based on the data from the American Medical Research Database Other OC and pregnancy were also analyzed for the risk of IVTE. This study is divided into 4 groups: group 1PCP group. Group 2 OC (second generation OC, <35 μg