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[大学生论坛]:男性避孕凝胶

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husky 发表于 2017-12-30 23:23:50 | 显示全部楼层 |阅读模式
据麻省理工科技评论 (MIT Technology Review) 报道,经过十多年的反复研究,美国政府机构研究人员开始准备测试一种不同寻常的男性避孕方法——一种可以防止精子产生的外用凝胶。
According to MIT Technology Review, after a couple of decades, American government researches started to test an abnormal male contraception method---- a kind of external use gel which can prevent producing sperms.


首先要清楚的是,并不需要把它擦在阴茎上,而是将其擦在上臂和肩膀上。
First, it should be clear that the gel need to be applied on the upper arms and shoulders instead of the penis.


据悉,临床试验从四月份开始,将持续四年左右,这将是美国在通过调节男性荷尔蒙进行节育上所做出的最大努力。
It is said that clinical trial started in April and lasted for about four years, which was the greatest effort on birth control by adjusting male hormone.


目前,男性的避孕方法比较单一,要么安全套,要么就是输精管结扎术。在 2008 年至 2012 年间,欧洲进行了一项关于调节体内荷尔蒙帮助男性避孕的研究,参与者每两个月接受一次荷尔蒙注射。这些荷尔蒙抑制了精子的产生,达到了男性避孕的效果,但也给男性带来了严重的情绪波动和其他严重的副作用。
The contraception method now is single: using condoms or taking vasectomy. During 2008 to 2012, a research was taken in Europe to realize the male contraception by adjusting their hormone. Every two months, participant got hormone injection which can inhibit the production of sperms and make the male control birth successfully. But this also brought them sever mood swings and other side effects.


而新的凝胶含有两种合成激素,孕激素和睾酮。孕激素阻止睾丸制造足够的睾丸激素产生正常水平的精子。而睾酮主要用于来抵消孕激素引起的激素失衡,但不会诱发身体产生精子。
However, new gel includes two kinds of synthetic hormone----progestin and testosterone. Progestin stops testicles secreting enough testicular hormone and producing normal sperms. Testosterone is used to counteract hormone imbalance caused by progestin without inducing sperms producing.


凝胶可以持续抑制男性体内精子保持在低水平约 72 小时,所以即便男人偶尔忘记了擦拭凝胶,“也有挽回的余地,”生殖健康非营利性组织的杰出科学家 RégineSitruk-Ware 如是指出。
The gel can keep male’s sperms staying in a low level for 72 hours, so even though the male forget to apply gel, “there is room for redemption,” scientist RégineSitruk-Ware said in a reproductive health non-profit organization.


在最初六个月的研究中,该方法已被证明是有效的。但是由于涉及到必须应用于身体不同部位的两种凝胶,因此布里奇的研究团队与人口委员会的研究人员合作,重新构建激素并将其结合成一种凝胶。她说,凝胶比激素丸效果更好,因为实验室制造的睾丸酮会迅速被人体清除。而在凝胶中,激素会被皮肤吸收,并在血液中附着更久。
In the initial six months research, this method has proved to be effective. Since two kinds of gel which must apply to different body positions are involved, Bridge’s research team collaborated with researchers in Population Commission and rebuilt hormone to form a new gel. She said that gel can do better than capsules, because testosterone made in laboratory would be cleaned quickly by human body. But in the gel, hormones will be absorbed by skin and stay longer in blood.


本文来自:http://obgyn.cmt.com.cn/detail/1329466.html

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