Menstruation does not adjust delay time too long how should treat

Irregular menstruation can be caused by a variety of factors, should see a doctor gynecology clear cause, if it is caused by excessive dieting weight loss, to ensure balanced nutrition, for hormone caused by irregular menstruation, can be taken under the guidance of a doctor progesterone treatment, if it is thyroid, adrenal gland and other diseases caused by the need to see an endocrinologist.