If menstruation comes back after one year of menopause, there may be postmenopausal bleeding, which is usually caused by endocrine disorders, inflammation of the reproductive tract, malignant tumors and other factors.
1. Endocrine disorders: after menopause, there is endocrine disorders, estrogen continues to increase, which may cause the endometrium to be proliferative, and vaginal bleeding may occur after shedding.
2. Inflammatory diseases of the reproductive tract: such as senile vaginitis, endometritis, etc., which are not treated for a long time and the lesions continue to aggravate, may cause vaginal bleeding, which may be accompanied by vaginal pain and other symptoms.
3. Malignant tumors: when women suffer from some malignant tumors, it will also lead to vaginal bleeding, such as cervical cancer, endometrial adenocarcinoma, ovarian cancer, etc., which may be accompanied by lower abdominal pain, loss of weight, fatigue and other symptoms.
There may be other reasons for menstruation after one year of menopause, so it is recommended to consult a doctor in time, complete the relevant examination, clarify the cause of the disease under the guidance of a professional doctor, and then deal with it in a targeted way.