Sorry, but you provide no evidence for your "facts," and you can't, because they're false. Readers who want to check things out should follow the links in the piece, especially to the previous pieces on this topic, which have links to more detailed data.

The world's expert on this precise topic, who is adamantly pro-choice, has told me honestly and flatly that the there is a theoretical risk of fertilization followed by prevented implantation. Not a proven fact, for reasons laid out in the links. But a theoretic risk nonetheless. It's much better to be honest about such things rather than lie to people.