Picture Emerging on Genetic Risks of IVF

http://www.nytimes.com/2009/02/17/health/17ivf.html?pagewanted=2&_r=1&sq=picture%20emerging%20on%20genetic%20risks%20of%20IVF&st=cse&scp=1

This article discusses certain risks related to in vitro fertilization. Studies have shown that abnormal gene expression may be tied to in vitro techniques, where an embryo is grown for several days in a petri dish and then placed in a womb. Usually these abnormalities are not present at birth, but can show up during childhood, adulthood, middle age, etc. Some include rare diseases like Beckwith-Wiedemann syndrome, kidney cancers, severe mental retardation, or certain motor defects. However, this analysis is not concrete because, in order to prove this conclusion, babies born from IVF must be followed throughout thier lifespan, and maybe the abnormality can show up until old age. More knowlegde, research, and literature is required in order to make the "perfect study".