[Endocrinology] What types of weight-loss exercises are suitable during menstruation?

From an endocrinology perspective, engaging in physical activity during menstruation is not only safe for most individuals but can also offer several physiological and symptomatic benefits. Moderate-intensity aerobic exercise—such as brisk walking, cycling, swimming, or elliptical training—for 30–45 minutes most days of the week is generally well-tolerated and may help alleviate common menstrual symptoms including bloating, fatigue, mild cramping, and mood fluctuations. These effects are partly mediated by improved circulation, endorphin release, and modulation of prostaglandin activity.

Resistance training—using body weight, resistance bands, or light-to-moderate free weights—can also be continued throughout the menstrual cycle, including during menses. Maintaining muscle mass supports metabolic health and long-term weight management, and there is no evidence that strength training exacerbates menstrual discomfort when performed with appropriate form and recovery.

However, individual tolerance varies significantly. Those experiencing heavy menstrual bleeding (menorrhagia), severe dysmenorrhea, endometriosis-related pain, or conditions such as iron-deficiency anemia should tailor activity intensity and duration to their energy levels and symptom burden. In such cases, gentler modalities—including restorative yoga, tai chi, or gentle stretching—may be more appropriate and still contribute meaningfully to overall wellness and metabolic regulation.

It is important to emphasize that weight loss during menstruation should not be pursued through caloric restriction or excessive exercise, as this may disrupt hypothalamic-pituitary-ovarian axis function, impair reproductive hormone balance, and increase risk of functional hypothalamic amenorrhea—particularly in individuals with low energy availability. Sustainable, physiologic weight management prioritizes consistent movement, adequate nutrition, sleep hygiene, and stress reduction across the entire menstrual cycle—not just during menses.