Can weight loss cause delayed menstruation?
Sep 10, 2025
Source: Cainiu Health
Dr. Zhang Lu
Introduction
In general, whether weight loss will cause menstrual delay depends on the method of weight loss and the body's specific response. During the weight loss period, it is important to pay attention to signals from the body and avoid blindly pursuing rapid weight loss. A balanced diet should be maintained, and exercise intensity should match the body's tolerance. If menstruation is delayed due to weight loss, the weight loss plan should be adjusted promptly and nutrition should be supplemented.
Generally speaking, whether weight loss will cause menstrual delay depends on the method of weight loss and the body's specific response. The specific situations are as follows:
If scientific weight loss methods are adopted, such as reasonable dietary control combined with moderate exercise, and there is no significant discomfort with a gradual weight loss, weight reduction generally does not affect the menstrual cycle, and menstruation usually occurs normally.
If extreme weight loss methods are used, such as excessive dieting, engaging in high-intensity exercise without adequate rest, or experiencing rapid weight loss within a short period, the body may undergo stress responses due to insufficient energy and nutrition. This can interfere with the normal secretion of ovarian hormones, leading to abnormal follicular development, delayed ovulation, and ultimately menstrual delay.
During the weight loss process, it is important to pay attention to signals from the body and avoid blindly pursuing rapid weight loss. Maintain a balanced diet and match exercise intensity with physical tolerance. If menstrual delay occurs during weight loss, adjust the weight loss plan promptly, replenish nutrients, reduce exercise intensity, and consult a healthcare professional if the situation does not improve, to prevent harm to health.
