Which of the following approaches does not give the defined action of contraceptive?

Options

A. Hormonal contraceptives-prevent/retard entry of sperms, prevent ovulation and fertilization
B. Vasectomy-prevents spermatogenesis
C. Barrier methods-prevents fertilization
D. Intra uterine devices-increase phagocytosis of sperms, suppress sperm motility and fertilizing capacity of sperms

Answer

B

Explanation

Vasectomy prevents spermatogenesis approaches does not give the defined action of contraceptive.