The techniques should be fairly similar in other regions and health systems even though the underlying cause for choice of ART at all or a specific procedure may differ. Sven Sandin More Quotes by Sven Sandin More Quotes From Sven Sandin Especially earlier, multiple embryos were transferred to increase the success rate, such a procedure will result in an increased rate of twin birth, and twins have a well-known increased risk of autism and many other outcomes. Sven Sandin health-news If there is an increased risk among twins but not among singletons one could suspect that the observed risk is associated with twinning and not with the procedures per se. Sven Sandin health-news