“…Among participants reporting informal payments in our study, none of the services were exempt from informal payments. Previously, multiple studies have reported on the OOPE at public health facilities to receive services during pregnancy, institutional delivery and infant care (Bonu, Bhushan, Rani, & Anderson, 2009; Issac, Chatterjee, Srivastava, & Bhattacharyya, 2016; Mondal, Mukhopadhyay, Mukhopadhyay, & Sinhababu, 2015; Mukherjee, Singh, & Chandra, 2013; Prinja et al, 2015; Shukla, Kumar, Agarwal, Singh, & Gupta, 2015; Tyagi, Pattabi, & Kaur, 2016). Diagnostics/investigations, followed by medications and consumables, accounted for the highest informal payments in our study.…”