A few days after the menstrual period and then bleeding, if the two bleeding interval of about 10 days time, less than the amount of menstruation, short duration, mostly considered to be ovulation bleeding, after ovulation estrogen significantly lower, the endometrium to lose the support of estrogen is easy to lead to a small amount of bleeding. Excluding ovulation bleeding is considered to be caused by endocrine disorders, as well as gynecological inflammation, such as vaginitis, cervicitis, endometritis, etc. Gynecological inflammation will not only cause vaginal bleeding, but also cause an increase in vaginal discharge, vulva local odor, itching and other symptoms. Cervical cancer and endometrial cancer can also cause this condition, and if there are uterine fibroids and endometriosis, it can also cause irregular vaginal bleeding. It is better to observe the amount of bleeding, if it is occasional small amount of bleeding, you can observe it, and if the bleeding is excessive and lasts long, it is recommended to consult a doctor in time.