Which of the following approaches does not give the defined action of contraceptive ?
Intra uterine devices $ \to $ Increase phagocytosis of sperms, suppress sperm motility
and fertilizing capacity of sperm
Barrier methods $ \to $ Prevent fertilization
Hormonal contraceptives $ \to $ Prevent/retard entry of sperm, prevent ovulation and
fertilization
Vasectomy $ \to $ Prevents spermatogenesis
