精子缺乏,精子活力缺乏,精虫缺乏,无精子症
In azoospermia and severe oligo-asthenospermic patients, chromosome abnormality showed numerical abnormalities and structural abnormalities which involved in most chromosomes. 在无精子症及严重少弱精子症患者中，染色体异常表现有数目异常和涉及大多数染色体在内的结构异常。
