什么情况下可致男性不育4 r$ K/ d% A- J# m9 y$ H! F
长期大量服用烟酒会造成精液品质下降。吸食大麻、海洛因也会影响男性生育力。最近六个月有无发烧超过38.5℃,如果发烧超过38.5 ℃,会抑制精虫的制造达六个月之久,并且发烧也会破坏精虫DNA。1 U) u7 N# A9 Y3 G* i
' T8 R7 D. ?" H; E 有一些药物会造成精虫暂时性或永远性的减少,像一些贺尔蒙制剂,如男性贺尔蒙、女性贺尔蒙、类固醇等一些治疗泌尿道感染的药物,如 Nitrofuratoin;治疗痛风的药物如秋水仙素、治疗溃疡性结肠炎药物,如Sulphasalaz inel(一种黄胺剂),会造成精虫数目暂时性的减少。孕妇食用或暴露在女性贺尔蒙或类女性贺尔蒙添加物,会生下生殖器异常或睾丸制精能力低的男孩。为使身材健美而服用男性贺尔蒙也会造成精虫数目下降。3 A9 P, Y# w. v3 [) e" Q2 W
In Asia, particularly among the Chinese and Japanese, education is all-important in elevating one's status in life. The priorities are getting into good schools and good universities which ensure employment and prospects of a bright future. Responding to this demand for a quality education 14 years ago, the Shanghai Singapore International School established its first school in China. 2 M$ i3 {( ?% D6 k http://www.urbanatomy.com/site/ssis.htm international school in shanghai! M3 d7 _# i# }! }