I found only two researches yet from India and Nepal. Are there other researches from Srilanka, Bangladesh, Afghanistan?
1) David, K. V., Pricilla, R. A., Venkatesan, S., Rahman, S. P., Sy, G., & Vijayaselvi, R. (2012). Outcomes of deliveries in a midwife-run labour room located at an urban health centre: results of a 5-year retrospective study. The National Medical Journal of India, 25, 323-326.
2) Rana, T. G., Rajopadhyaya, R., Bajracharya, B., Karmacharya, M., & Osrin, D. (2003). Comparison of midwifery-led and consultant-led maternity care for low risk deliveries in Nepal. Health Policy and Planning, 18(3), 330-337.