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Standard X
Biology
Menstruation
What is menar...
Question
What is menarch?
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Solution
Menstruation cycle:
In a life cycle, a woman’s body is vulnerable to a variety of changes.
The cycle of these changes occur in women every month, positively for pregnancy is called the menstrual cycle.
When an ovum is unfertilized, the uterus lining sheds and leads to a hemorrhage, called menstruation.
Menarch:
Menarche is the first menstrual cycle, or first menstrual bleeding, in female humans.
From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility.
Girls experience menarche at different ages.
It generally occurs at an age of 11-13 years.
It refers to the beginning of the reproductive phase in girls.
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