FAO sandyRoe:
From wiki,
In some countries, including Canada and the UK, a parent or guardian's decision can be legally overruled by medical staff. In this case, medical staff may act without consent, by obtaining a court order in a non-emergency situation, or without such an order in an emergency.[citation needed] In Japan, a doctor must respect the wish of an adult but can override the wishes of a child and its parents if the child is under 15. If a child is aged 15 to 17, a doctor will not perform a transfusion if the parents and the child refuse the transfusion. If a child aged from 15 to 17 objects to a transfusion but the parents demand the transfusion, then a doctor can override the child's wish.[citation needed] In the United States, the American Academy of Pediatrics recommends that in cases of "an imminent threat to a child's life", physicians in some cases may "intervene over parental objections".[32]