His is not the first such study. Alastair Sutcliffe, professor of general paediatrics at University College London’s Institute of Child Health, carried out a study last year using the HFEA database and cancer registries that showed there was no overall increased risk of cancer among children born from IVF compared with the population at large. http://www.theguardian.com/society/2014/nov/23/whats-next-for-worlds-5-million-ivf-babies