Regular vacation refers to menstruation. two periods a month at the age of 45 may be due to functional uterine bleeding, cervical lesions, ovulation bleeding and other reasons, which may be dangerous and require timely clarification of the cause of the disease. 1. Functional uterine bleeding: caused by hormone level disorders, when the secretion of estrogen and progesterone is not regular, the endometrium does not shed smoothly, resulting in bleeding twice a month, and hormone levels need to be adjusted in time. 2. Cervical lesions: if there is cervical cancer or cervicitis, bleeding may occur after sex, and you need to be vigilant to prevent malignant lesions. 3. Ovulation bleeding: if there is a low level of estrogen, bleeding may occur when estrogen drops during ovulation, which is a functional disease, and appropriate supplementation of estrogen can be. If a 45-year-old woman has bleeding twice a month, she needs to go to the hospital in time and be treated under the guidance of the doctor.