What happens when menstruation comes every ten days

Normal women's menstrual cycle in 21-35 days or so, the current menstrual cycle once every ten days, it is likely to be caused by endocrine diseases, clinically common polycystic ovary syndrome, hyperprolactinemia, hyperandrogenism, etc., in addition to taking contraceptives after this phenomenon will occur, the need to identify the cause in a timely manner, targeted treatment.