<prompt> Diameter of female urethra is:3 mm4 mm5 mm6 mm  <response>: Female urethraIt is about 1.5 inches 3.8 cm to 2 inches 5.1 cm long and exits the body between the clitoris and the vagina, extending from the internal to the external urethral orifice.Its diameter when undilated is about 6 mm. 