Which one of the following is the most widely accepted method of contraception in India, as at present?

Which $IUD$ increases the phagocytosis of the sperms within the uterus?

Natural methods of contraception

What is correct for pills ?

Which of the following statement is/are correct about diaphragms, cervical caps and vaults?

$A.$ Barrier methods of contraception

$B.$ Cover the cervix during coitus

$C.$ Protect the user from contracting $STDs$

$D.$ They are reusable
 

Which of the following contraceptive device is inserted by the doctor or trained nurse in the uterus through the vagina?