From the United Nations (UN) Development Program-UN Population Fund-UN Children's Fund-World Health Organization (WHO)-World Bank Special Program of Research, Development, and Research Training in Human Reproduction, the Department of Sexual and Reproductive Health and Research, WHO (I.G., M.W., O.T.O., F.A.), and the Concept Foundation (A. Ammerdorffer, M.G.) - both in Geneva; the College of Medical and Dental Sciences, University of Birmingham (A.D., J.M., L.M., L.B., A. Aswat, K.-M.M., K.N.S., M.P., I.H., R.T., E.W., T.R., K.H., A.C.), Health Education England (I.Y.), and the Department of Obstetrics and Gynaecology, Birmingham Women's and Children's NHS Foundation Trust (P.L., S.M.), Birmingham, the Centre for Behaviour Change, University College London (G.F., F.L.), and the Department of Women and Children's Health, School of Life Course Sciences, King's College London (A.S.), London, and the Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool (D.L., A.W.) - all in the United Kingdom; the African Center of Excellence for Population Health and Policy, College of Health Sciences, Bayero University, Kano, Nigeria (H.G., A.A.W.); the Department of Obstetrics and Gynecology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania (F.A.A., A.M.); the Department of Obstetrics and Gynecology, University of Nairobi, Nairobi, Kenya (Z.Q., G.G., A.O., J.O.); the Department of Obstetrics and Gynecology, University of Botswana, Gaborone (G.J.H.); the KwaZulu-Natal Department of Health, Pietermaritzburg (N.M.), the Department of Obstetrics and Gynaecology, University of Cape Town, Cape Town (S.F., E.A.), and the Effective Care Research Unit, University of the Witwatersrand, Johannesburg (G.J.H., M.S.-M.) - all in South Africa; the Department of Obstetrics and Gynecology, Aga Khan University, Karachi, Pakistan (L.S., S.N., S.M.); the Maternal and Newborn Health Unit, Technical Leadership and Innovation, Jhpiego, and Johns Hopkins University, Baltimore (C.E.); the Gender and Women's Health Unit, Centre for Health Equity, School of Population and Global Health, University of Melbourne, Melbourne, VIC, Australia (S.A., M.A.B.); the Department of Obstetrics and Reproductive Sciences, School of Medicine, University of California, San Francisco, San Francisco (S.M.); and the Maternal, Newborn, and Child Health Team, Bill and Melinda Gates Foundation, Seattle (J.M.S).