what is the menstruation? state the events marking the menstrual cycle . compare adolescenes to puberty.
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when eggs dont fertilize the wall of uterus shed causing bleeding , adolescenes is age puberty is hormonal
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Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle.
The menstrual cycle begins with menstrual bleeding (menstruation), which marks the first day of the follicular phase. When the follicular phase begins, levels of estrogen and progesterone are low.
Puberty is the time in which a child's sexual and physical characteristics mature. It occurs due to hormone changes. Adolescence is the period between puberty and adulthood.
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