Accordingly, it is necessary to detect the DNA fragmentation index (%DFI) and adopt certain measures to obtain those sperms with less or no damage.In turn, this can improve the outcome of ART.

• 检测精子DNA断裂指标(DFI)，采取适当措施获得DNA无损伤或损伤较小的精子，对改善ART结局十分必要。