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Class 7
Chapter 6 Class 7 - Adolescence: A Stage of Growth and Change (Curiosi

5.7 Female Reproductive Phase and Menstruation

Last updated at April 26, 2026 by

What is Female Reproductive Phase?

It is the period when females can reproduce and have babies .

Key Facts and Examples
  • Reproductive phase begins at puberty around 10-12 years.
IMG019

A teenage girl marks dates on a calendar, indicating
awareness of her menstrual cycle.

Example: When girls start menstruating for first time
  • Phase lasts till 45-50 years of age.
Example: Middle-aged women experience menopause around this time
  • Ovulation occurs once every 28-30 days normally.
Example: Mature egg releases from ovary monthly
  • Menstruation is the monthly bleeding in females.
Example: Blood and tissue shed when egg not fertilised
  • Menarche is the first menstruation at puberty.
Example: Girls experience their first period around 10-12 years
  • Menopause is when menstruation stops permanently.
Example: Women around 45-50 years stop having periods
  • Uterus lining prepares to receive fertilised egg .
Example: Thick blood vessel layer forms each month
  • Menstruation is normal and should not cause embarrassment .
Example: Girls must maintain cleanliness and hygiene during periods
Female Reproductive Cycle Ovulation Mature egg released from ovary Uterus Preparation Lining thickens for fertilised egg No Fertilisation Egg and lining shed off Menstruation Monthly bleeding occurs Cycle repeats every 28-30 days
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