oligospermatism

例句：

1. 1. He was diagnosed with oligospermatism and had to undergo treatment.
   他被诊断出患有寡精子症，并需要接受治疗。
2. 2. The patient's sperm count was low, which could be a cause of his oligospermatism.
   患者的精子数量低，这可能是他寡精子症的原因。
3. 3.Due to the oligospermatism, he was unable to conceive naturally.
   由于寡精子症，他无法自然受孕。