常用的口服避孕药,主要成份是雌激素和孕激素,在体内能抑制正常排卵而达到避孕目的,为何有的人服后会阴道出血呢? 短效口服避孕药,是从月经来潮的第5天起(不论月经干净与否)开始服药,每日1片,连服22天,不可中断。1.漏服药物是导致阴道出血的常见原因,故应坚持 Common oral contraceptives, the main ingredient is estrogen and progesterone, can inhibit normal ovulation in the body to achieve the purpose of contraception, why some people who will vaginal bleeding after taking it? Short-acting oral contraceptives, is from the first menstrual cramps 5 Day (regardless of menstrual clean or not) began taking medicine, daily 1 piece, and even served 22 days, can not be interrupted. 1 missed the drug is a common cause of vaginal bleeding, it should be insisted