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现在口服避孕药已成为一种主要控制生育的方法,每年在美国超过二千万妇女应用此法。它之所以被广泛接受是由于在理论上此药应用是没有副作用的,每100个妇科年仅有低于1次的妊娠,并且具有可逆性和使用便利。Melamcd 和 Colleagues 在1969和1975年指出:在选择应用口服避孕药的妇女与喜欢使用膈膜避孕的妇女相比较,前者的宫颈原位癌有少量、后者明显的增加,虽然这些材料中,此种差异的理由还不清楚,但首次提出了因果的关系。某些学者对口服避孕药和宫颈癌之间的关系亦提出了争论。1972年作者介绍了一
Now that oral contraceptives have become a major control over fertility, more than 20 million women in the United States use it every year. It is widely accepted because in theory there is no side effect of this drug application, with less than 1 pregnancy per 100 gynecological years and is reversible and easy to use. In 1969 and 1975, Melamcd and Colleagues pointed out that in women who opted to use oral contraceptives, there was a small amount of cervical carcinoma in situ in the former group, with a significant increase in the latter, although in these materials The reason for the difference is unclear, but the causal relationship was first proposed. Some scholars have also debated the relationship between oral contraceptives and cervical cancer. The author introduced one in 1972