What is the cause of leucorrhea before menstruation

Menstruation to show before the amount of leucorrhea phenomenon and ovarian secretion of estrogen levels change, under normal circumstances is a normal physiological phenomenon, but leucorrhea shows peculiar smell, color change, texture thickening, time too long, you may suffer from gynecological inflammation, need medication. Leucorrhea and menstruation are the same, originally are women's normal physiological phenomenon, in the local by mold, bacteria and other pathogenic microorganisms infection will make the color, texture, quantity of leucorrhea changes. But before menstruation to leucorrhea short-term increase is not a pathological phenomenon, belongs to one of the precursors of menstruation. After menstruation to maintain local hygiene, to prevent bacterial infection caused by leucorrhea abnormalities.