The main causes of increased leucorrhea in women are the following: First, the increase in leucorrhea caused by sexual excitement, women and men reach orgasm during sex, this time will be more excited, naturally there will be an increase in leucorrhea. Second, ovulation can cause an increase in leucorrhea. When in ovulation, the leucorrhea will definitely be more than usual, and the nature of the leucorrhea will also change, appearing thin and transparent, which is very normal and does not need to be worried. Third, progesterone can also cause increased leucorrhea, many women in pregnancy found their leucorrhea to increase than before, if the increase is not particularly serious or no other abnormalities, this also belongs to the normal situation, is a physiological reaction. The pressure can cause increased leucorrhea, too much pressure will lead to more leucorrhea, causing nerve dysfunction, this will be the phenomenon of endocrine disorders, women must adjust their emotions, let themselves relax. Five, vaginal trichomonas infection, when the leucorrhea will appear to increase, not only the leucorrhea increase, but also a bad smell. Sixth, gynecological diseases, such as pelvic inflammatory disease, cervical erosion, vaginitis, etc., will appear signs of increased leucorrhea.