Condoms are made up of a thin rubber/latex sheath which is used to cover:

Which of the following is not a natural method of contraception?

Which is a contraceptive method with no side effects?

All the following statements are correct about 'Saheli',but one is wrong. Which one is wrong?

Which of the following is an oral contraceptive?

Which of the following functions are true for copper ions released by copper-releasing $IUDs$?
$I -$ Suppress sperm motility
$II -$ Inhibit the fertilizing capacity of sperms
$III -$ Make the uterus unsuitable for implantation
$IV -$ Make the cervix hostile to sperms