<prompt> Most important cause of impotence:Male factorFemale factorPsychogenicAnatomical  <response>: Ans. c PsychogenicRef: The Essentials ofFSM by K.S. Narayan Reddy 31st ed. 356-58 Impotence is inability to perform sexual acticity. It is applied to male only Most important cause of impotence is: Psychogenic Vpsychogenic cause is ruled out then male factor should be tested next NOTE: FRIGIDITY: impotency which is seen in females 