Normal women have changes in the leukorrhea every month, in the middle of menstruation, ovulation leukorrhea is transparent, like egg white leukorrhea and have silk. Before and after menstruation, the leukorrhea is white, slightly sticky, if the leukorrhea has brown, brown means a little bleeding, common physiological is ovulation bleeding. If the leukorrhea in the menstrual period of 10-14 days during this period of brown discharge, this is ovulatory bleeding, but some people brown leukorrhea time is not the middle of menstruation, in other time, may be the uterine lining problems, long endometrial polyps or endometrial thickening, may cause the leukorrhea in brown secretion, and the cervix has a polyp or because of the cervical erosion, after coitus brown secretion, these cases are all the same. These conditions can only be determined by examination.