... 在三十岁或四十岁后才开始生育begin childbearing in their 30s or 40s 有生育问题with fertility problems 羊水/羊膜水amniotic fluid ...
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The researchers believe the work could eventually help men with fertility problems to conceive.
研究人员们相信这项工作最终可以帮助那些患有不育症的男性拥有属于自己的孩子。
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The study enrolled 61 men from couples with fertility problems.
该项研究从有生殖问题的夫妇中招收了61名男性。
But they also believe it could help people with fertility problems and some types of cancer.
BBC: NEWS | Health | Gene 'decides timing of puberty'
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