1. How long does a regular menstrual cycle last?
2. Describe what happens to an egg during the first 14 days of the cycle.
3. Describe what happens to the egg cell if fertilization occurs.
4. Explain what takes place in the uterus after fertilization.
5. Why is it important to study the menstrual cycle?
2. Describe what happens to an egg during the first 14 days of the cycle.
3. Describe what happens to the egg cell if fertilization occurs.
4. Explain what takes place in the uterus after fertilization.
5. Why is it important to study the menstrual cycle?
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Answer:
The length of the menstrual cycle varies from woman to woman, but the average is to have periods every 28 days. Regular cycles that are longer or shorter than this, from 21 to 40 days, are normal.