Starting with a person's own skin would also mean the lab-grown sperm or eggs would not be rejected by the body.
利用某人自身的皮肤进行制备也就意味着，这种实验室培养的精子或卵子不会遭人体排斥。Learning that you were donor conceived by a woman who sold her eggs to the highest bidder is surely not a tale that any child would relish.
得知自己是出价最高者与卵子售卖者的结晶，一定是任何一个孩子都不乐意听到的故事。Professor Lovell-Badge, however, said the Chinese paper did not prove that the eggs that gave rise to babies came from the stem cells.
然而路夫.巴德教授说这篇论文不能证实那些能够繁殖小老鼠的卵子来自于干细胞。DRUGS designed to coax ovaries to produce at least the requisite one egg a month have been a cause of concern for some time.
使用药物诱导卵巢每月产生必须的一个卵子在有些时候已经引起人们的关注了。First it was discovered that he had not been truthful about where he got the human eggs for the research.
首先，人们发现他没有如实的报告他的研究是从哪里获得的卵子。The main developments in ART have focused on manipulating the production of a woman's eggs through the administration of fertility drugs.
ART主要的进展集中在通过应用生育药物使妇女产生可操作的卵子。If she is lucky, doctors will be able to extract at least a dozen healthy eggs that will be kept frozen until she is ready to use them.
如果幸运的话，医生将可能取出至少十二个健康卵子并进行冷冻直到她准备使用它们。If the trapped retrovirus happened to be in sperm or egg cells, its DNA might be passed down to the host's descendants.
如果被整合的病毒发生在精子或卵子，其DNA可能会传递给宿主的后代。Infertility is often caused by the failure of sperm and eggs to meet in the natural way.
不孕不育通常是由于精子和卵子不能够正常受精引起的。