It's going to a woman so if it's emotionally charged I think it could work better. Tried what I thought were the basic ones but it all falls back to "daddy is and wants him to look like him" and "I knew a guy who wasn't and he was embarrassed in high school. Very dumb reasons, I know.
https://www.cbsnews.com/news/cdc-11-infants-contracted-herpes-due-to-controversial-jewish-circumcision-practice/