Failure to ovulate may be a symptom caused by factors such as poor lifestyle, ovarian pathology and thyroid disease. 1. Poor lifestyle: If you stay up late for a long time, don’t get enough sleep, and continue to have high pressure, it may lead to endocrine imbalance in your body, which may affect your body’s ovulation. 2. Ovarian lesions: If the patient has ovarian lesions, such as polycystic ovary syndrome, ovarian tumors and other diseases, it may lead to vaginal bleeding, menstrual disorders and other conditions, which in turn may lead to the problem of non-ovulation. 3. Thyroid disorders: If you suffer from thyroid disorders such as hyperthyroidism, it may cause changes in the menstrual cycle, decreased menstrual flow and other problems, which may also lead to the problem of anovulation. Another point to note is that abnormalities in the development of the reproductive system can directly affect the reproductive function of the organism, causing primary amenorrhea in women, such as uterine hypoplasia, congenital absence of the uterus and other problems, which can lead to women not ovulating. Therefore, patients with clinical anovulation are advised to consult a doctor in time to clarify the cause of the disease and carry out standardized treatment.