When do the egg cells of a human female begin meiosis ? Are any oogonia added after birth ?

Explanation

### Step-by-Step Solution:

1. **Understanding Oogonia and Oocytes**:
- Oogonia are the precursor cells that develop into oocytes (egg cells) in females. They are formed during fetal development.

2. **Timing of Meiosis Initiation**:
- The egg cells, or oocytes, begin meiosis during fetal development. This occurs when the female fetus is still in the womb.

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