Menstruation usually lasts for:
Correct answer: B. 3-7 days
- A. 4-8 days
- B. 3-7 days
- C. 2-5 days
- D. 5-9 days
Explanation
The discharge of blood and cell debris known as menstruation. This stage usually lasts for 3 - 7 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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