vasectomy

例句：

1. 1.He underwent a vasectomy to avoid pregnancy.
   他接受了一次男性绝育手术以避免怀孕。
2. 2. The doctor performed the vasectomy during the procedure.
   医生在手术过程中进行了男性结扎。
3. 3. Vasectomy is a common procedure for men seeking to prevent unwanted pregnancies.
   男性进行男性结扎是防止非意愿怀孕的常见程序。