Diaphragms are contraceptive devices used by females. Choose the correct option from the statements given below:
$i$. They are introduced into the uterus
$ii$. They are placed to cover the cervical region
$iii$. They act as physical barriers for sperm entry
$iv$. They act as spermicidal agents

  • A
    $i$ and $ii$
  • B
    $i$ and $iii$
  • C
    $ii$ and $iii$
  • D
    $iii$ and $iv$

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