1, early retirement brought by slimming: There is hypothalamus in the human brain, including feeding center and satiety center. When people have anorexia or subjectively demand to reduce their diet, the cerebral cortex will be forcibly suppressed. In the long run, the two appetite centers in the hypothalamus will be dysfunctional, which will make people lose weight, further affect the secretion center of luteinizing hormone-releasing hormone in the hypothalamus, reduce its secretion, and then reduce the luteinizing hormone and follicle-stimulating hormone secreted by the pituitary gland, leading to early retirement.

2. Early leave caused by abortion: Some unmarried pregnant girls or newly married pregnant women often have abortion because they can't get married or because they have to study. After the operation, some people find that their menstrual flow is gradually decreasing, even amenorrhea, sometimes accompanied by periodic lower abdominal pain. This is due to improper curettage operation, which damages the cervical basement membrane or endometrium, leads to cervical adhesion or partial adhesion of uterine wall, and then leads to amenorrhea.

3. Early leave caused by nervousness: Female early leave caused by psychological factors is most easily overlooked. Medical research shows that women's menstruation is closely related to the nervous system and endocrine system. The fierce competitive environment and complex interpersonal relationships make the brain nervous system in a state of high tension. Mental stress and mood swings affect the nervous system function, leading to early retirement.