精子活力 meaning in English

sperm activity
sperm motility
sperm viability

A cumulative cyclophosphamide dose greater than 7 . 5 gm / m was associated with azoospermia
积累量超过7 . 5gm / m很有可能发生精子活力缺乏。
Chicago , no . 29 - - when sperm motility is only minimally impaired by aricoceles , spermatic ein embolization may improe fertility , german researchers reported here
芝加哥， 11月29日? ?德国研究人员称，当精子活力只是最低程度的受精索静脉曲张影响时，精索静脉栓塞可提高生育力。
Pu xiaochun , ji weizhi , yang shangchuan , chen jianchun , zuo roujin and shang enyuan 1994 correlation of zona - binding with oocyte maturation and sperm motility in rhesus monkeys by hemizona assay
普晓春、季维智、杨上川、陈建春、邹如金、商恩缘1994猕猴卵母细胞成熟度和精子活力与精卵结合的关系。