One menstrual cycle usually lasts about a:
Correct answer: C. Month
- A. Day
- B. Week
- C. Month
- D. Year
Explanation
A menstrual cycle usually lasts about a month, although it can vary slightly from woman to woman. On average, it lasts around 28 days, but cycles can range from 21 to 35 days.
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About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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