Thanks Dan! I tried digging around, but didn't go back far enough I guess 🙂
Wed, Sep 4 11:15am · Excluding Audiences on Facebook - OB/Pregnancy-Related in Give & Get Advice
During the ad creation process on Facebook, you can create an audience, there's an option to exclude people with certain interests. That might require some creative thinking, to look for pages/groups that someone who has gone through a loss might be interested in. Or maybe just excluding certain key words?
Not a solution to your problem, but I also found this very interesting article from a mom: https://www.washingtonpost.com/lifestyle/2018/12/12/dear-tech-companies-i-dont-want-see-pregnancy-ads-after-my-child-was-stillborn/?noredirect=on