Ovulation outside itching generally refers to vulvar itching, may be certain physiological phenomena, may also be vaginitis and other diseases lead to, should be timely consultation to identify the cause. 1. Physiological factors: due to the increase in hormone levels during ovulation, resulting in an increase in vaginal secretions, excessive discharge of vaginal secretions, stimulation of the vulvar skin may feel itchy. 2. Pathological factors: There are many types of vaginitis, and the symptoms may vary from one type to another, but all of them are accompanied by vulvar itching. For example, trichomonas vaginitis is characterized by foamy vaginal discharge (leukorrhea), mostly grayish-yellow or yellowish-white in color, accompanied by vulvar burning, pain, and pain during sexual intercourse, etc. Bacterial vaginitis is characterized by an increase in the amount of thin, fishy-smelling vaginal discharge, which is grayish-white in color. This symptom alone can not determine the disease, do not rule out other factors, such as vulvar squamous epithelial hyperplasia. It is recommended to consult a doctor in time, under the guidance of the doctor to clarify the cause of the disease, give targeted treatment.