Whereas a woman normally releases one egg per month, a healthy man makes 1,000 sperm with every heartbeat - and just one is needed for conception.
女性每月排出一枚卵子,而健康男性每秒会释放1000个精子,这其中只有一个能与卵子结合。
There are also concerns over whether men would be willing to take a drug that could be perceived as affecting their masculinity - and whether women would trust them to take it.
不过,研究者还是有其他顾虑,比如男性是否愿意服用,因为这种药物可能会被认为影响男性特征;也会有女性怀疑该避孕药是否真的管用。
Professor Mike Wyllie, an expert in drug development and male sexual health, said: ‘This study has allowed understanding of the control of male fertility to leapfrog, or at least equal, our knowledge of the female reproductive system.
药物开发与男性性健康专家迈克·怀利教授说:“通过这项研究,我们在控制男性生殖能力方面有了巨大进步;或者可以说,我们在这方面的研究成果终于得以与女性生殖系统的研究比肩。
‘This can only be good in terms of developing drugs for both conception and contraception.
“不管是针对避孕还是受孕,这项研究都是有益无害的。
‘A contraceptive pill that could be taken by either partner would have a major positive impact on the relationship, where more often than not the only choice of medication must be taken by the female.’
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