METHODOLOGY
Open Access
Harmonizing Methods for Estimating the Impact of Contraceptive Use on Unintended Pregnancy, Abortion, and Maternal Health
Ian Askew, Michelle Weinberger, Aisha Dasgupta, Jacqueline Darroch, Ellen Smith, John Stover and Melanie Yahner
Global Health: Science and Practice December 2017, 5(4):658-667; https://doi.org/10.9745/GHSP-D-17-00121