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短效口服避孕药是国内外使用最早、最广、最成熟的一类避孕药。这类避孕药优点是避孕效率高。常用服法是:从月经开始的第5天起,每晚服用1片,连服22天,中间不能忘服。大约在停药1～3天后下一次月经来潮,从这次月经的第5天起再开始服第2周期的药。服用中应当注意:①如为糖衣片,则药物主要在糖衣上,要检查糖衣是否完整,受潮、变形、破损的药片不可服用,否则剂量不足,可造成失败。②如果当
Short-acting oral contraceptives is the earliest, most widely used and the most mature type of contraceptives at home and abroad. The advantage of such contraceptives is contraceptive efficiency. Commonly used method is: from the first five days of menstruation, take 1 per night, and even served 22 days, the middle can not forget to eat. About 1 to 3 days after discontinuation of the next menstrual cramps, from the fifth day of menstruation to start taking the second cycle of the drug. Taking should pay attention to: ① If the sugar-coated tablets, the drug is mainly in the sugar-coated, to check the integrity of the sugar-coated, damp, deformation, damaged tablets can not be taken, otherwise the dose is insufficient, can cause failure. ② if it is