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Question is

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

  • Intra-uterine devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms.
  •  Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation
  •  Vasectomy  Prevents spermatogenesis
  •  Barrier methods Prevent fertilisation 

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