How does menstruation do all over without interest

Menstruation is not strong, may be due to menstrual blood more often show anemia caused by fatigue. Menstruation volume is a menstrual total blood loss, normal menstrual volume of 20-60mL, more than 80mL for menorrhagia. Long period of menorrhagia will cause anemia, anemia will show dizziness, fatigue and other performance. Need to carry out blood tests, according to the results of hemoglobin and red blood cells squeeze to make a diagnosis. Normal menstrual period has no special symptoms, but due to pelvic congestion and prostaglandin effect, some women will show lower abdomen and lumbosacral depression discomfort, uterine contractions pain, these will gradually disappear with the end of menstruation, do not need special treatment.