The purpose of assessing dangerousness is to determine whether an individual poses a risk of endangering self or others now or in the near future and to identify what interventions are necessary to minimize that risk.
It is unconstitutional--and unethical--for physicians to participate in evidence-gathering against pregnant women suspected of being addicted to illegal substances without informing them of their constitutional rights or gaining their informed consent.
Argument that physicians called upon for expert testimony in court have an ethical duty to educate the jury by offering opinions based upon published, clinically based evidence and peer-reviewed medical literature.