What are antifertility drugs?

Explanation

One of the most convenient and widely used method of birth control is the use of oral contraceptives. Oral contraceptives belong to the class of natural products known as steroids. Steroids are the active ingredients of the pill functioning as an antifertility agent. It controls the female menstrual cycle and ovulation. The birth control pill is essentially a mixture of synthetic estrogen and progesterone derivatives, which are more potent than the natural hormones. Some of the-commonly used pills contain a combination of norethindrone and-ethnylestradiol.