The decision to pursue sterilization must be taken seriously however. Although reversal is sometimes possible after vasectomy or tubal ligation sterilization of any type is considered permanent.
尽管输精管结扎术或输卵管结扎术后有失效的可能，但是一般来讲任何一种绝育手术的效果都是永久性的。
2
Women may be able to choose from several sterilization options including tubal ligation - a surgical procedure - and the Essure and Adiana systems both of which permanently block the fallopian tubes.