Fig. 2From: The effect of a postpartum IUD intervention on counseling and choice: Evidence from a cluster-randomized stepped-wedge trial in Sri LankaTrends in choice of PPIUD. Standard errors are shown as error bars. Approximate intervention start dates in Group 1 (red) and Group 2 (black) hospitals are shown by the green and orange vertical lines, respectively. For exact dates of intervention, please see Additional file 1: Table S1Back to article page