Which of the following statements is incorrect about menstruation?

Options

A. The beginning of the cycle of is called menarche
B. During normal menstruation about 40 ml blood is lost
C. The menstrual fluid can easily clot
D. At menopause in female there is especially abrupt increase in gonadotropic hormones

Answer

To determine which statement about menstruation is incorrect, let's analyze each statement step by step:

1. **Statement 1: The beginning of the cycle is called menarche.**
- **Analysis:** Menarche refers to the first occurrence of menstruation in a female's life. This statement is correct.

2. **Statement 2: During normal menstruation, about 40 ml of blood is lost.**
- **Analysis:** It is generally accepted that the average blood loss during a menstrual cycle is around 30 to 80 ml, with 40 ml being a typical estimate. This statement is also correct.

3. **Statement 3: The menstrual fluid can easily clot.**
- **Analysis:** Menstrual fluid contains anticoagulants that prevent clotting, allowing the fluid to flow freely. Therefore, this statement is incorrect.

4. **Statement 4: At menopause, there is an abrupt increase in gonadotropin hormones.**
- **Analysis:** During menopause, the levels of gonadotropin hormones (like FSH and LH) do increase due to the decreased function of the ovaries. This statement is correct.

**Conclusion:** The incorrect statement about menstruation is **Statement 3: The menstrual fluid can easily clot.**