Except in the menstruation, there are leucorrhea are normal phenomenon, normal leucorrhea is milky white, no odor, or only a faint fishy smell, and the amount is not much, clinically there will also be physiological leucorrhea increased phenomenon, commonly in the following cases: First, in the time of ovulation, due to the corresponding changes in the body’s hormone level, so that the cervical secretions vaginal secretions will appear to increase, this increase is This increase is like egg whites, and the degree of straining is particularly good, which is unique to the white belt during ovulation. Secondly, the phenomenon of increased leucorrhea can also occur before menstruation, mainly because the endometrial glands secrete vigorously, so it will lead to an increase in vaginal secretions, but the increase in secretions will not change in nature or color, which is a normal physiological phenomenon.