CAUSES OF MENSTRUAL CYCLE DISORDERS.
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Abstract
Puberty is a process of changes in the body that affects their physical,
psychological and emotional state and begins at about 8-9 years old. At this time, there is
an increase in the level of sex hormones that cause a number of changes in the body.
There is an increase in the growth rate, pelvic bones grow, there is an increase in the
amount of adipose tissue (the hips become wider, fat is deposited in the chest, buttocks
and pubis, giving the body of a young girl feminine outlines) and secondary sexual
characteristics appear.
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