Gynaecology & Obstetrics Gynaecological diagnosis and operative surgery 7cf6b4d0 Goniometer is used for: A Amount o vaginal secretions B To measure width of genital hiatus C Gonococcal colony count D Urethrovesical angle High-Yield Explanation Goniometer: It is an instrument used to measure an angle Utherovescial angle is measured in Gynecology using this instrument Ref: Internet sources.