The available evidence does not rule out the possibility that autism's true prevalence has increased; a real increase would suggest directing more attention and funding toward changing environmental factors instead of continuing to focus on genetics.
As evidencias dispoñibles non desbotan a posibilidade de que a verdadeira prevalencia do autismo se incrementase, e un incremento real suxeriría unha maior atención e financiamento dirixido ó cambio de factores ambientais no lugar dunha continuación do enfoque na xenética.