Do children born as a result of IVF have more abnormalities than children born following natural fertilization?

Question: Do children born as a result of IVF have more abnormalities than children born following natural fertilization?
- Keywords:
  body,
  disease,
  genetic,
  ivf
Asked by alicegoulding to Alessandro, Claudia, Marina, Phil on 21 Mar 2013. This question was also asked by bellavoicey.
- Alessandro Guazzi answered on 21 Mar 2013:
  
  Some rare diseases seem to have occurred in children born as a result of IVF more often than in other children, but the results are conflicting. No conclusive study has outlined the real risks of IVF, possibly because we’re still only 25 years in!

Question: Do children born as a result of IVF have more abnormalities than children born following natural fertilization?