摘要: Excessively low vocal pitch found in women is assoicated frequently with the side effects of hormonal drugs, such as anabolic or male hormones, and less diseases, adrenogenital syndrome, Addison’s disease, my oedema, acromegaly. It often referred to androphonia. can also be caused by reduced activity cricothyroid muscle or, significantly though, strap muscle. too patient wants it corrected, surgery may indicated. Transsexuals desire raising their pitch. Before deciding whether indicated, complete understanding consensus are necessary between surgeon regarding probable outcome surgery.