Breast Cancer and Women who have not had children

Thanks all for your responses. I don't like the name "Nun's Disease" I hope it fades into oblivion. It's so insulting. But I can understand how it started out. well I suppose that women who have had children and who have breast cancer can say exactly the same in reverse can't they? They can say: "I did all the right things, I had children, women who don't have a higher risk so why me when I have had 3 or 5 or 12?" The more I think about it the more ridiculous it is to go down that rabbit hole. Cancer is cells reproducing and dividing fullstop.