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प्रश्न
Write a short note on ‘Menarche’.
टिप्पणी लिखिए
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उत्तर
- Menarche is the first menstrual flow or menstruation in a girl’s life, marking the onset of reproductive capability.
- It typically occurs between the ages of 11 and 13 years, coinciding with the attainment of puberty.
- Menarche signifies the beginning of the menstrual cycle that will continue until menopause.
- It is triggered by hormonal changes involving the hypothalamus, pituitary gland, and ovaries.
- The first menstrual period indicates that the ovaries have started releasing eggs (ovulation).
- Subsequent menstrual cycles occur approximately every 28 days and involve the shedding of the uterine lining.
- Menarche is a significant physiological milestone and a marker of sexual maturation in females.
- It indicates the readiness of the reproductive system for potential pregnancy.
- The timing of menarche can be influenced by genetics, nutrition, health, and environmental factors.
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