at the icahn school of medicine at mount sinai said there could be a prenatal test for autism within 10 years. however, the genetics of autism have proven to be extremely complex. a wider debate on the ethics involved in the possible elimination of a genotype that has advantages as well as disadvantages, has focused on possible negative effects of tampering with natural selection. some people lament that professionals, such as social workers, may discourage autistic people from having children. activists are concerned that the "ultimate cure will be a genetic test to prevent autistic children from being born" and that most fetuses with so-called "autism genes" would be aborted if prenatal tests for autism are developed. opposition perspectives