Large population study fails to find causal link between assisted reproduction and ovarian cancer

(European Society of Human Reproduction and Embryology) Following concerns over many years that hormonal stimulation of the ovaries necessary for IVF may increase the risk of ovarian cancer, a nationwide cohort study from Denmark has now concluded that any perceived increase in risk is actually a statistical bias resulting from vigilant diagnosis at the time of treatment. The investigators were unable to make any causal association between the treatment and fertility drugs used and any excess ri...