Girls 10-year-old girl menstruation intermittent, mostly seen in the endocrine system diseases, blood system diseases and drug effects. 1. Endocrine system diseases: common is anovulatory dysfunctional uterine bleeding, 10-year-old girl is in puberty, puberty, although there is menstruation, but at this time the hypothalamus – pituitary – ovary axis feedback regulation is not yet mature, easy to occur anovulatory dysfunctional uterine bleeding. Intermittent small amount of bleeding, intermittent, prolonged bleeding time, that is, irregular uterine bleeding. 2. Blood system diseases: such as aplastic anemia, thrombocytopenia, etc., due to abnormal coagulation function, can also cause intermittent menstruation. 3. If you take certain hormone drugs for a long time, it affects the hormone secretion in your body, and you will also experience menstrual disorders and intermittent menstruation. When intermittent menstruation occurs, it is recommended to go to the hospital in time, to clarify the cause of the disease, and symptomatic treatment.