Guide Questions 1. How long does a menstrual cycle last? 2. Describe what happens to an egg during the first 14 days of the cycle?
3. Describe what happens to an egg if fertilization occurs.
4. Explain what takes place in the uterus after fertilization.
5. Why is it important to study the menstrual cycle?
Guide Questions 1. How long does a menstrual cycle last? 2. Describe what happens to an egg during the first 14 days of the cycle?
3. Describe what happens to an egg if fertilization occurs.
4. Explain what takes place in the uterus after fertilization.
5. Why is it important to study the menstrual cycle?