Why are birth control pills called combined pills?

Explanation

**Step-by-Step Solution:**

1. **Definition of Birth Control Pills**: Birth control pills are oral contraceptives that are taken by females to prevent pregnancy. They are a method of contraception, which refers to any device or method used to prevent conception.

2. **Purpose of Birth Control Pills**: Couples may choose to use birth control pills for various reasons, such as spacing between children or personal preferences to avoid pregnancy for a certain period.

3. **Hormonal Preparation**: Birth control pills contain hormonal preparations that affect the female body. These hormones can be either progestogens, estrogens, or a combination of both.

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