What do you mean by pregnancy?

Explanation

**Step-by-Step Solution:**

1. **Definition of Pregnancy:**
Pregnancy is the condition that occurs when a fertilized ovum (egg) implants itself in the uterus and begins to develop into a fetus.

2. **Fertilization Process:**
Pregnancy begins with fertilization, which is the union of a sperm cell from the male and an ovum from the female, typically occurring during sexual intercourse.

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