Which of the following approches does not give the defined action of contraceptive
A. "Barrier methods" `" "` "Prevent fertilization"
B. "Intra uterine device" `" "` "Increase phogocytosis of sperms, suppess sperm motillity and frtilizing capacity of sperms"
C. "Hormonal contraceptives" `" "` "Prevent/retry of sperms,prevent ovulation and fertilization"
D. "Vasectomy" `" `" "Prevents spermatogenesis"
