What are antifertility drugs ? Name the constituents of an oral contraceptive.

Explanation

### Step-by-Step Solution:

**Step 1: Define Antifertility Drugs**
Antifertility drugs are chemical substances that are used to prevent unwanted pregnancies. They work by interfering with the normal reproductive processes in the body.

**Step 2: Identify the Constituents of Oral Contraceptives**
Oral contraceptives, commonly known as birth control pills, primarily contain synthetic hormones. The main constituents of these pills are:

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