Within six months of 173 previously infertile men with at least one varicocele receiving the therapy, a quarter of their partners had become pregnant, scientists at the University of Bonn found.

• 波恩大学的科学家发现在173名不育男性在6个月内至少进行一侧精索静脉曲张的治疗，则四分之一的伴侣会怀孕。