论文部分内容阅读
新婚不到半年的小张怀孕了。当初小两口经过再三考虑决定过两年再生孩子,即到药店买回规格为22粒的瓶装口服避孕药,每当房事必服1粒,从无遗漏。她对今天的结果疑惑不解,服避孕药也会怀孕? 正好有空,我耐心地向她作了解释:服避孕药一般是不会怀孕的,目前国内的女用避孕药有效率达98%～99%。但是,药片受潮失效,或者没有按规定服用、漏服等都可使避孕失败,导致受孕。小张买的是短效口
Xiao Zhang pregnant less than six months pregnant. After the young couple decided to reconsider two years to regenerate their children, that is to buy 22 bottles of oral contraceptives specifications, whenever the housing will be a service, from no omission. She was puzzled by the results today, taking birth control pills will be pregnant? Just free time, I patiently explained to her: the general contraceptives will not be pregnant, the current domestic female contraceptives effective rate of 98 % ~ 99%. However, the tablet damp failure, or did not take the required, missed service can contraceptive failure, leading to pregnancy. Zhang bought short-term effect