The clear mucus that appears after the end of menstruation is considered to be leucorrhea, and the appearance of clear leucorrhea is related to ovulation. Generally, menstruation lasts for about 3-5 days and up to 7 days, but if the menstrual cycle is short and menstruation lasts for a long time with early ovulation, the phenomenon of clear stretched leucorrhea at the end of menstruation will occur. During ovulation, hormonal changes occur in the body, resulting in changes in the nature of the leukorrhea, and the appearance of clear, streaky leukorrhea is also a sign of ovulation. The normal leucorrhea is white or milky and mucus-like. It is made up of secretions from the uterine cavity, cervical glands, vaginal secretions and shed tissue cells. The secretion of leucorrhea is mainly influenced by estrogen, and the leucorrhea during ovulation is influenced by progesterone. It is recommended to pay attention to the changes in leucorrhea, and if there is yellowish leucorrhea, fishy odor and itchy symptoms, it is considered to be related to gynecological inflammation, and you need to go to the hospital in time for treatment.