Delgado’s work has already been debunked so to speak.

Planned Parenthood:

https://www.plannedparenthoodaction.org/florida-alliance-planned-parenthood-affiliates/blog/the-myth-of-abortion-reversal

American College of Obstetricians and Gynecologists:

https://www.acog.org/advocacy/facts-are-important/medication-abortion-reversal-is-not-supported-by-science

PBS:

https://pbswisconsin.org/news-item/what-is-abortion-reversal-and-where-do-doctors-stand-on-its-practice/

It isn’t a cut and dry “we know it’s safe”, certainly not to the standards of medical boards or the legislature. There is a very good reason why we try to prevent organizations from giving medical advice when they do not have the expertise or there is insufficient study. When you don’t do that you get snake oil being sold on every corner.