No IVF-cancer link, 2 studies find

Children born through in vitro fertilization (IVF) and other forms of assisted reproduction do not have a higher risk of cancer than those conceived naturally, two new studies have found.

In one study, presented at the annual meeting of the European Society of Human Reproduction and Embryology in London, researchers examined data from more than 106,000 children born with the help of assisted reproductive technology (ART) in the United Kingdom between 1992 and 2008. During the 17-year study period, 108 cancers were identified in the ART children, which is comparable to the 109.7 cases that would be expected among the same number of children in the general population.

Another study presented at the same meeting looked at nearly 93,000 children conceived through IVF and a control group of naturally conceived children born in three Nordic countries between 1982 and 2007. There were 19 cancer cases per 1,000 among the IVF children and 18 per 1,000 in the control group.

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