In vasectomy,a small incision is made on the ....... and it is tied.

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

Which of the following is a correct statement?

Coitus interruption is the --- of natural contraception.

Multiload $375$ is a . . . . . . type of $IUDs$.

Surgical removal of the uterus is called: