The Menstrual Cycle and Fertilization
Menarche to menopause · Four hormones · Zygote to baby
Explain menstruation, menarche and menopause
Name the four hormones that run the cycle
Describe the stages of the cycle in order
Explain why hygiene and care matter
Explain how fertilization and conception happen
Menarche: 12 to 15 years
Menopause: 45 to 49 years
One cycle: about 28 days
Egg released: day 14
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