Medical professionals and autism advocates who don't support the push from President Donald Trump and Health and Human Services Director Robert F. Kennedy Jr. You will take a Tylenol, but it will be very sparingly," Trump advised pregnant women. KC doctors, autism organizations react to Trump administration's Tylenol link The University of Kansas says its advice to pregnant women won't change and still advise them to use the lowest dose possible for the shortest time necessary. Trump links autism to Tylenol and vaccines, claims not backed by science U.S. President Donald Trump on Monday linked autism to childhood vaccines and also to the use of popular pain medication Tylenol for pregnant women and children, claims which are not backed by decades of science. Trump Unveils Results Of Autism Study Trump announced the results of a major autism study.