What role does Ferritin Eisenmangel play in Wechseljahre?

The provided contexts do not contain any information about the role of ferritin or iron deficiency in menopause. In general medical knowledge, ferritin is a storage protein for iron, and low ferritin indicates iron deficiency. During perimenopause, heavier menstrual bleeding can lead to iron loss, increasing the risk of iron deficiency. Ferritin deficiency in menopause may therefore contribute to symptoms such as fatigue, poor concentration, and pallor. Diagnosis is via blood tests, and treatment typically involves iron supplementation under medical supervision. Since the given sources do not address this topic, this answer is based on general medical knowledge. The evidence in the broader literature is strong, but cannot be cited from the provided context.