Cold will not lead to increased leucorrhea, there is no necessary relationship between cold and leucorrhea, cold will only lead to abnormal menstruation, but will not affect the leucorrhea. The causes of increased leucorrhea may be: 1. Inflammation of the reproductive organs, such as vaginitis, cervicitis, pelvic inflammatory disease, and so on. This will not only increase the leucorrhea, but will also be thin and sometimes smelly, causing itching of the vulva. 2, may be serious gynecological diseases will lead to an increase in leucorrhea, such as cervical polyps, cervical fibroids, etc. There may also be cervical cancer, vaginal cancer, which will not only show an increase in leucorrhea, but will also become watery, smelly, or bloody leucorrhea. These conditions will affect the health of the body and need to be treated in time.3. It may be that the increased leucorrhea is caused by the use of hormonal drugs, such as birth control pills, and this condition will repair itself.