在大多数国家首选的避孕方法是口服避孕药。目前采用这种方法的约有550万妇女。口服避孕药除有避孕作用外,尚有很多未被人们所知的优异作用。今叙述如下: 一、使月经正常化:用药后月经血量明显减少,从而使妇女常见的缺铁性贫血也明显下降(与未服药者相比能减少一半以上)。在用药期间可增加体内铁的贮存量,故停药后仍能保持其效果。由于抑制排卵,能消除经前期紧张症和痛经。 The preferred method of contraception in most countries is oral contraceptives. About 5.5 million women are currently using this method. Oral contraceptives in addition to contraception, there are many outstanding effects have not been known. This is described as follows: First, the normalization of menstruation: menstrual blood volume was significantly reduced after treatment, so that women common iron deficiency anemia also decreased significantly (compared with no medication can be reduced by more than half). During the medication can increase the body’s iron storage, so after stopping the drug can still maintain its effect. Due to inhibition of ovulation, can eliminate premenstrual tension and dysmenorrhea.