答服用短效口服避孕药须按规定每天晚上服一片(或丸),如果漏服,就有发生出血的可能。当前使用的口服避孕药有两种:一种是复方制剂,含有雌激素和孕激素,如口服避孕片1号、口服避孕片2号、口服避孕片0号、复方18甲基炔诺酮片等。另一种是只含孕激素的探亲避孕药,如炔 A short-acting oral contraceptives should be served according to the provisions of a night (or pill), if missed service, there is the possibility of bleeding. There are currently two types of oral contraceptives used: one is a compound preparation containing estrogen and progestin, such as oral contraceptive tablets No. 1, oral contraceptive tablets No. 2, oral contraceptive tablets No. 0, compound 18 methyl norethindrone tablets Wait. The other is only progesterone to visit relatives contraceptives, such as alkyne