Conscience-based refusals by health care professionals to provide care to eligible patients are problematic, given the monopoly such professionals hold on the provision of such services. This article reviews standard ethical arguments in support of conscientious refuser accommodation and finds them wanting. It discusses proposed compromise solutions involving efforts aimed at testing the genuineness and reasonability of refusals and rejects those solutions too. A number of jurisdictions have introduced policies requiring conscientious refusers to provide effective referrals. These policies have turned (...) out to be unworkable. They subject patients to a health care delivery lottery, which is incompatible with the fundamental values of medical professionalism. This paper sheds light on transnational efforts aimed at undermining progress made in reproductive health by means of conscientious refusal accommodation claims. The view that the accommodation of conscientious refusers is indefensible on consequentialist ethical grounds, as well as on grounds related to medical professionalism itself, is defended. (shrink)