The Contraceptive CHOICE Project was funded by an anonymous donor. J.F.P. has served as an advisory board member for Bayer and CooperSurgical and has received research support from Merck, Bayer, and CooperSurgical and Teva. T.M. serves as a data safety monitoring board member for phase 4 safety studies of Bayer contraceptive products. The remaining authors report no conflict of interest.This work has been registered on ClinicalTrials.gov (NCT00635492).
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.