Which is the correct statement about birth control pills?
(i) Contain estrogen only.
(ii) Contain progesterone only.
(iii) Contain a mixture of estrogen and progesterone derivatives.
(iv) Progesterone enhances ovulation.
Birth control pills are used for ovulation, and they contain female hormones to act scientifically. The pills contain (iii) Contain a mixture of estrogen and progesterone derivatives.