怀孕。怀孕期间，体内的血容量会增加。这一变化有利于胎儿的生长，但也可能导致腿部静脉扩张。 A varicocele may well lead to bad development of the testicle, reduced sperm manufacturing or other complications which could lead to infertility. Surgery to deal with varicocele could be recommended to deal with these complications. A varicocele is enlargement from the veins that transportation o... https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-everything-you-need-to-know/