Which of the following statements is incorrec | vedclass

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(B) The correct answer is $B$. $1$. During a normal menstrual cycle,approximately $30-50 \, ml$ of blood is lost,making option $A$ correct. $2$. Menst

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The menstrual fluid clots easily.

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(B) The correct answer is $B$. $1$. During a normal menstrual cycle,approximately $30-50 \, ml$ of blood is lost,making option $A$ correct. $2$. Menstrual fluid contains blood,tissue debris,and unfertilized ovum. It contains fibrinolysin,which prevents the blood from clotting,making option $B$ incorrect. $3$. Menopause is characterized by the cessation of the menstrual cycle due to a decline in ovarian function and a decrease in estrogen/progesterone,while gonadotropins ($FSH$ and $LH$) increase due to the lack of negative feedback,but the statement in $C$ is scientifically inaccurate regarding the 'sudden increase' as a primary feature of menopause compared to the hormonal decline. However,$B$ is definitively incorrect as a biological fact. $4$. The first menstrual cycle at puberty is known as menarche,making option $D$ correct.

Which of the following statements is incorrect regarding the menstrual cycle?

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