1, is the most common form of irregular menstruation
One is to shorten the menstrual cycle, menstrual period has been shortened by the amount gradually decreased and then stopped completely; the other is to extend the interval between the menstrual cycle can last up to 2-3 months, or months without menstruation.
2, prolonged bleeding without ovulation
Sometimes menstruation to stop a few weeks or months, and then irregular vaginal bleeding, blood more sustained 2-3 weeks or longer, is not easy to stop.
3, menstruation stops abruptly
Such a relatively rare phenomenon of menopause menstruation.
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