What is the reason for the delay of more than 20 days?

Aunt, that is, menstruation. Delaying pregnancy for more than 20 days may be related to endocrine disorders, mental factors, drug effects and other factors. 1. The endocrine system of women with endocrine disorders plays an important role in regulating the menstrual cycle. If there is endocrine disorder, Such as polycystic ovary syndrome, thyroid dysfunction, etc., may affect ovarian function and lead to delayed menstruation. For example, polycystic ovary syndrome patients, high levels of androgen in the body, will affect the development of follicles and ovulation, and then cause menstrual abnormalities. 2. Mental factors in a long-term state of mental stress, stress, anxiety, depression, etc., may interfere with the normal regulation of the neuroendocrine system, leading to menstrual disorders. Mental stress may affect the function of the hypothalamic-pituitary-ovarian axis, making hormone secretion imbalance.3. Medication affects Certain drugs, such as long-term use of contraceptives, antidepressants, etc., may cause menstrual cycle changes. These drugs may interfere with hormone levels in the body or affect the normal growth and shedding of the endometrium. If menstruation is delayed for a long time, it is recommended to seek medical attention in time, carry out relevant examinations, such as sex hormone six, ultrasound examination, etc., to clarify the specific reasons, and carry out targeted treatment under the guidance of doctors. At the same time, maintain good living habits, including balanced diet, moderate exercise, regular rest, reduce mental stress, etc., to help maintain the normal menstrual cycle.