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.
The ongoing anthrax vaccination case, Doe v Rumsfeld, tests whether the military can require participation in and punish refusal of a vaccination program while waiving informed consent.
Physicians need to perform their due diligence and practice caution when prescribing addictive pain medications to relieve their patients' chronic pain due to increased federal monitoring of pain prescriptions.