Available Open Access under CC-BY-NC licence.The public and parliamentary debate about UK abortion law reform is often diverted away from key moral and political questions by disputes regarding basic questions of fact. And all too often, claims of scientific ‘fact’ are ideologically driven.But what effect would decriminalisation be likely to have on women’s health? What would be the impact on the incidence of abortions? Would decriminalisation equate to deregulation, sweepi...