Which of the following is an additional advantage of hormone releasing $IUDs$?

Choose incorrect sentence for physical contraception method.

Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.

$A$ : Both vasectomy and tubectomy are very effective, as the failure rate of such surgical approaches is almost zero percent.
$R$ : Reversibility is poor

Diaphragms are contraceptive devices used by the 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