Gynaecology & Obstetrics General 6961eeaf Elevated androgens in PCOD A Convert terminal hair to vellus hair irreversibly. B Convert vellus hair to terminal hair irreversibly. C Reversible conversion of vellus hair to terminal hair. D Reversible conversion of terminal hair to vellus hair. High-Yield Explanation Elevated androgen convert vellus hair into coarse terminal hair. This conversion is irreversible.