 Umuganga wo muri Canada wateraga abarwayi intanga ze batabizi yahagaritswe Ngibi ivyo wokora ngo intanga canke imbuto zawe zikomere Umuganga yakoresha intanga ziwe mu gufasha abashaka abana Mu bushakashatsi bwiswe Thermal Asymmetry of the Human Scrotum bwasohowe mu kinyamakuru Human Reproduction, abashakashatsi basiguye ko ibipimo vyabo vyibanze ku bushuhe bwudusaho twintanga bwabimwe buri minota ibiri. 