EDITOR—Graham et al, who compared a touch screen system with leaflets for providing women with information on prenatal tests,1 and Wyatt in his commentary2 may be too conservative in their conclusions. Graham et al mention the cost of developing the system and Wyatt says because there is limited evidence of benefit for these expensive tools over well designed leaflets they should be used only in the context of rigorous research studies. However, the study did not include an economic comparison of the use of the computer and leaflets. A full …