Will dieting and weight loss affect menstruation

Dieting to lose weight may lead to missed menstruation, which is called secondary amenorrhea. Excessive dieting can lead to insufficient calorie and nutrient intake, affecting the function of the hypothalamic pituitary ovarian axis and disrupting the menstrual cycle. When the body fat percentage of women is too low, it can affect the normal production of estrogen. Aromatase contained in adipose tissue can convert androgens into estrogens, which is crucial for maintaining normal hormone levels. When the body is in a state of hunger for a long time, it can inhibit the function of the hypothalamus and reduce the secretion of gonadotropin-releasing hormone. This situation can lead to a decrease in the levels of luteinizing hormone and follicle stimulating hormone, affecting ovarian function. The development of follicles and ovulation process during the menstrual cycle can become irregular or even stop. Long term nutritional deficiencies can affect the growth of the endometrium, and a lack of sufficient nutritional support can make it weak. Extreme dieting behavior can cause the body to enter a state of self-protection, and the endocrine system will automatically shut down some non life sustaining functions to achieve the principle of prioritizing survival. The menstrual cycle, as a high-energy physiological process, will be temporarily shut down. In this case, amenorrhea may occur for several months or even longer. The triad of female athletes is a typical example, mainly manifested as the triad symptoms of eating disorders, amenorrhea, and bone loss. Regulating the menstrual cycle requires maintaining a reasonable weight and balanced nutrient intake. In daily life, it is advisable to increase the intake of high-quality protein, healthy fats, and complex carbohydrates appropriately. Foods such as soybeans, walnuts, and deep-sea fish are rich in nutrients that help regulate women's endocrine levels. The weight loss rate in a short period of time should not exceed 5% -10%. It is recommended to adopt a gradual approach to weight management. If menstrual delay or amenorrhea has occurred, seek medical attention as soon as possible and undergo comprehensive evaluation and targeted treatment under the guidance of a doctor.