Seventeen years old, twice a month menstruation is likely to be anovulatory abnormal uterine bleeding, but also do not rule out abnormal thyroid function, tumors and other factors.
1. anovulatory abnormal uterine bleeding, seventeen years old in puberty, due to the hypothalamus-pituitary-ovarian axis of hormone feedback regulation has not matured, endocrine instability, although the follicle can grow, but the development of a certain degree of degradation, anovulatory, so it can lead to disorders of the menstrual cycle, menstruation frequently.
2. Abnormal thyroid function, thyroxine can not only maintain metabolism, but also participate in the regulation of menstruation, so abnormal thyroid function can also cause menstrual disorders, such as hyperthyroidism can cause excessive proliferation of the endometrium, which can show frequent menstruation, excessive menstruation and so on.
3. Tumor, with ovarian functional tumor, such as malignant granulosa cell tumor, because it can secrete sex hormones, so it can also lead to menstrual disorders, increased menstrual flow, frequent menstruation and other manifestations.
Adolescent women with irregular menstruation need to go to the hospital for further examination, such as ultrasound, blood hormone six, thyroid function, etc. Pathological factors should be ruled out.