The technique used to block the passage of sperm in males is . . . . . . .

Amniocentesis is one of the methods

$IUDs$ are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about $IUDs$?
$(a)$ $IUDs$ decrease phagocytosis of sperm within the uterus.
$(b)$ The released copper ions suppress the sperm motility.
$(c)$ $IUDs$ do not make the cervix hostile to the sperm.
$(d)$ $IUDs$ suppress the fertilization capacity of sperm.
$(e)$ The $IUDs$ require surgical intervention for their insertion in the uterine cavity.
Choose the most appropriate answer from the options given below:

Spermicidal creams used on the coating of condoms,diaphragms,cervical caps,and vaults are used for:

Surgical removal of testes is known as

Describe the location and function of Diaphragms and Foams in the context of reproductive health.