Menstruation occur at the age of 9 to 16 years old
Medicines can change menstruation.
because puberty starts at the age of menstruation, that is the age at which the body is developed enough to begin with the job of reproduction.
The hormonal change that triggers the start of menstruation is an increase in estrogen levels in the body.
There is no set age for a woman's menstruation to begin or end.
the age? any time 8-16
Yes. When a woman goes through menopause, her menstruation will end. The average age for menopause is in the early 50's.
It is 12.
18
menopausal
Secondary amenorrhea occurs in women of childbearing age after a period of normal menstruation and is diagnosed when menstruation has stopped for three months. It can occur in women of any age.
The period of natural cessation of menstruation. See Change of life, under Change.