Every time menstruation comes, how can you postpone 5 to 7 days to recuperate

Menstruation delay 5 days belongs to the normal range, if the menstrual cycle overall delay 5-7 days, may be related to thyroid, hypothalamus and ovarian hormone secretion abnormalities. From the perspective of traditional Chinese medicine, may also be related to qi and blood deficiency, emotional disorders. Can do hormone six and related examinations to clarify the cause.