Leukorrhea occurs throughout a woman’s menstrual cycle. At different times of the year, the amount and character of leukorrhea that manifests itself can vary greatly. For example, in the pre-ovulatory period, women’s leukorrhea is transparent, odorless and wet; in the ovulatory period, the amount of leukorrhea is large, clear and transparent, with a relatively large toughness, and it can be pulled into a long filament; in the mid-ovulatory period, the leukorrhea is turbid and relatively large, mainly due to the composition of the cervical mucus; in the late ovulatory period, due to the breakup of the corpus luteum leading to a decrease in the leukorrhea and the formation of yellowish thick, which is a normal leukorrhea. As to whether the leukorrhea is normal, it mainly depends on whether the leukorrhea has an odor, whether it is accompanied by pus consistency, pus, blood color, and whether there are changes in texture.