Testosterone imbalances affect men, women, and children differently. In males, testosterone deficiency (hypogonadism) can lead to low libido, fatigue, and muscle loss, while excess may contribute to aggression and cardiovascular risks. In females, testosterone excess (hyperandrogenism), often associated with polycystic ovary syndrome (PCOS) or adrenal disorders, can cause excess hair growth, weight gain, and menstrual irregularities. In children, deficiency delays puberty, while excess may result in early puberty or virilization. Accurate diagnosis and management rely on accurate testosterone testing, with free testosterone measurement playing a critical role in evaluating androgen disorders.
Dr. Sandeep Dhindsa, MD
Chief, Division of Endocrinology and Metabolism
Clara A. Drefs Chair in Internal Medicine
Saint Louis University
2025 Euroimmun US
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