menstrual fatigue

What Does It Mean When You Feel Completely Exhausted and Weak During a Heavy Flow Day?

What Does It Mean When You Feel Completely Exhausted and Weak During a Heavy Flow Day?

1. Introduction Feeling completely exhausted and weak during a heavy flow day is a direct physiological consequence of acute blood volume loss, transient tissue hypoxia, and systemic inflammation. A heavy menstrual period, clinically known as menorrhagia, places a massive, sudden metabolic demand on the cardiovascular and endocrine systems. The body must work overtime to maintain … Read more

What causes profound fatigue during menstruation?

What causes profound fatigue during menstruation?

1. Introduction Profound fatigue during menstruation is primarily caused by iron deficiency anemia secondary to heavy bleeding, the rapid withdrawal of circulating estrogen and progesterone, and the energy-depleting effects of inflammatory prostaglandins. The abrupt shift in ovarian hormones alters brain chemistry and sleep architecture, while simultaneous blood loss reduces systemic oxygen delivery, leading to significant … Read more