To participate in a lethal injection is to occupy the medical role and use medical training for a purpose that is not part of the goals of medicine and that harms the recipient of treatment.
Refusal of pediatric euthanasia can be considered iatrogenic insofar as it inadvertently prolongs patient suffering, but attitudes differ cross-culturally.
AMA J Ethics. 2017;19(8):802-814. doi:
10.1001/journalofethics.2017.19.8.msoc1-1708.
Although parents may someday have the ability to enhance the complex physical and mental traits of their offspring, such genetic enhancements raise a number of difficult ethical questions.