for starters, take a look at the link I provided...then go on to learn about The parens patriae doctrine gives the state the right to intervene with a parent's decision when it's believed they are not acting in the best interest for the child's well-being.
You're welcome.
Link: https://www.abc10.com/article/news/local/when-can-the-government-override-a-parents-medical-decision-in-the-us/103-459250777