There are several causes that can make a woman have unusual bleeding for long periods of time beyond the menstrual cycle. I had a friend who at the time was in her 20s, she had problems and hers was simply hormone related. It is good your friend is going to the doctor because some of the causes are more serious than others.
Ectopic pregnancy, this classifies as an emergency. If she there is a chance she is pregnant, she should go now, this can be fatal. Other pregnancy related problems can be a miscarriage or placenta previa.
Polycystic Ovary Syndrome, which is a hormone imbalance. Medications - some people have problems with abnormal bleeding due to birth control pills. IUD- My mother had one of these and her periods lasted forever and a day it seemed.
She had to have it taken out. Infections and STDS Uterine filbroids Cancer Stress Perimenopuase.
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