The small amount of bleeding during ovulation can not use interferon. A small amount of bleeding during ovulation is caused by a short-term decrease in estrogen, resulting in a small amount of endometrial shedding caused by a lack of hormonal support, which is a normal physiological phenomenon that will not affect your health and ability to get pregnant, and generally does not require the use of antiemetic drugs. The small amount of bleeding during ovulation, part of the endometrium peeling, cervical opening, vaginal interferon, may cause infection in the uterine cavity, all do not recommend the application of drugs. If the bleeding is heavy, accompanied by increased leukorrhea, abdominal pain, etc., it is considered that there may be a combination of cervicitis, vaginitis, pelvic inflammatory disease and other gynecological diseases, it is recommended to consult a doctor to find out the cause in time, under the guidance of the doctor treatment.