bù / yù / zhèng / kě / néng / yóu / duō / zhǒng / yīn / sù / yǐn / qǐ / xū / yào / zhuān / yè / zhěn / duàn

不育症可能由多种因素引起，需要专业诊断。

Infertility can have many causes and requires professional diagnosis.