Oral contraceptives inhibit $A$ and implantation as well as the quality of cervical $B$ to prevent the entry of sperms. Choose the correct option for $A$ and $B$ to complete the given statement.

  • A
    $A-$ovulation; $B-$mucus
  • B
    $A-$oogenesis; $B-$structure
  • C
    $A-$oogenesis; $B-$nucleus
  • D
    $A-$spermatogenesis; $B-$mucus

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Similar Questions

Is the use of contraceptives justified? Give reasons.

Which of the following statements regarding $IUDs$ is incorrect?

Find out the correct choice for $Cu$-based $IUDs$.
$I$. Increases phagocytosis of sperms.
$II$. Releases $Cu^{2+}$ ions that suppress the sperm motility and fertilizing capacity of sperms.
$III$. Make the uterus unsuitable for implantation.

Castration cannot be taken as a contraceptive device,because

Match the following columns:
Column-$I$ Column-$II$
$(A)$ Barrier$(1)$ Copper-$T$
$(B)$ $IUD$$(2)$ Vasectomy and tubectomy
$(C)$ Surgical technique$(3)$ Condoms,cervical caps
$(D)$ Administering hormones$(4)$ Oral pills and Saheli

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