Surgical method is also called sterilization. These are generally advised for the male $/$ female partner as a terminal method to prevent any more pregnancies.

Fallopian tubes

tied and cut

Vasectomy

Tubectomy

Surgical intervention blocks gamete transport and thereby prevent conception.

$(a)$ Vasectomy : Sterilization procedure in the male is called vasectomy. In vasectomy, a small part of the vas deferens is removed or tied up through a small incision on the scrotum.

$(b)$ Tubectomy : In tubectomy a small part of the fallopian tube is removed or tied up through a small incision in the abdomen or through vagina.

These techniques are highly effective but their reversibility is very poor.