First, there must be a significant preference for children of a particular sex, and second, there must be a considerable interest in using this technology.

So far, all of the ethical discussions about sex selection have focused on 'what if' scenarios without any legitimate data. This study should provide a legitimate framework to better lead the discussion about the realistic implications of sex selection technology.

We found that only 8 percent of people would use pre-implantation sex selection for non-medical reasons.

This study should ease the fears of some of people who believe that sex selection technology will become widespread when it is readily available in the United States. There is no evidence that the technology will have a significant impact on the natural sex selection ratio.

Our findings show that the technology is unlikely to be used by the majority of Americans and should not have an impact on the natural sex ratio.

Perhaps they would rather leave such things to chance.