Despite the natural desire in obstetrics for a happy outcome, sometimes the common aggressive interventions will not help maintain a pregnancy until viability.
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.