A contraceptive pill contains
Progesterone and ostrogen
Spermicidal salts
Chemicals that cause automatic abortion
Chemicals that prevents fertilization of ovum
Contraceptive pills are very effective with lesser side effects used by females. They work by
Oral contraceptives inhibits ...$A$... and implantation as the well as quality of cervical ...$B$... to prevent the entry of sperms. Choose the correct option for $A$ and $B$ to complete the given statement
One of the following is not a method of contraception. Which one?
Surgical removal or cutting and ligation of the ends of oviduct is known as
A method of birth control is: