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Which of the following approaches does not give the defined action of contraceptive?
  • a)
    Vasectomy- prevents spermatogenesis
  • b)
    Barrier methods- prevent fertilization
  • c)
    Intra- uterine devices- increase phagocytosis, suppress motility and fertilizing capacity of sperms
  • d)
    Hormonal contraceptives- prevent/ retard entry of sperms, prevent ovulation and fertilization
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which of the following approaches does not give the defined action of...
A. Vasectomy is a sterilization method in male in which they are capable of ejaculation, but the latter consists only of secretions of various glands, and has no sperms. Sperms are still produced but reabsorbed into the body.
B. In barrier methods, ovum and spermatozoa are prevented from coming closer with the help of barriers so that fertilization does not occur.
C. Intrauterine devices increase phagocytosis of spermatozoa within the uterus and the Cu ions released by some IUDs suppress motility of sperms as well as their fertilizing capacity. The hormone releasing IUDs, in addition, turns the cervix hostile to spermatozoa and brings changes in the uterus making it unsuitable for implantation.
D. Birth control pills(oral contraceptives) check ovulation in females by inhibiting the secretion of FSH and LH that are necessary for ovulation.
So, the correct answer is 'Vasectomy prevents spermatogenesis'.
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Which of the following approaches does not give the defined action of contraceptive?a)Vasectomy- prevents spermatogenesisb)Barrier methods- prevent fertilizationc)Intra- uterine devices- increase phagocytosis, suppress motility and fertilizing capacity of spermsd)Hormonal contraceptives- prevent/ retard entry of sperms, prevent ovulation and fertilizationCorrect answer is option 'A'. Can you explain this answer?
Question Description
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