Studies have been done, and there is no increased cancer risk from fertility treatments. Certain types of menopausal HRT have been shown to increase breast cancer risk, and it's possible the Mrs. Edwards has been on one of those. However, the link between excess weight and breast cancer is huge and absolutely proven. That's the biggest risk factor in Mrs. Edwards' case, no matter what medications she may have been on.
While you are up on the science, the judge, trial laywer and jury may agree with Edward's version of scientific truth.
C-sections, stem cells for spianl cords....