[1] Sharma M, Brandler ES.Emergency medical services in India: the present and future.Prehosp Disaster Med. 2014; 29(3):307-10.
[2] Mould-Millman, Dixon, Sefa, et al. The State of Emergency Medical Services (EMS) Systems in Africa. Prehosp Disaster Med. 2017;doi:10.1017/S1049023X17000061.
[3] Wijesekera O, Reed A, Chastain OS , Biggs S, Clark EG, Kole T, Chakrapani AT, Ashish N, Rajhans P, Breaud AH, Jacquet GA.Epidemiology of Emergency Medical Services (EMS) utilization in four Indian emergency departments. Prehosp Disaster Med.2016;31(6):675-679.
[4] Andrew H, David C, Ting W, Yih N, Pin P, Swee L, Venkataraman A & Marcus O. Prehospital Trauma Care in Singapore, Prehospital Emergency Care. 2015; 19:3, 409-415. https:// doi: 10.3109/10903127.2014.980477.
[5] Kirbas A, Gulerman HC, Daglar K, Pregnancy in Adolescence: Isit an obstetrical risk?. Journal of Pediatric and Adolescent Gynecology. 2016; doi: 10.1016/ j.jpag.2015.12.010.
[6] Kozuki et al.: The associations of parity and maternal age with small-for-gestational-age, preterm, and neonatal and infant mortality: a meta-analysis. BMC Public Health 2013;13 Suppl 3 :S2.
[7] Domínguez-Anaya R, Herazo-Beltrán Y. Age as a risk factor for complications arising during pregnancy in adolescents, Cartagena, Comlombia 2009: a cross-sextional study. Rev Colomb Obstet Ginecol. 2011;62:141-147.
[8]World Health Organization (WHO). Health for the World's Adolescents: A Second Chance in the Second Decade: Summary. Geneva,Switzerland:WHO Press; 2014.
[9] Duvan Cİ, Turhan N, Onaran Y. Adolescent Pregnancies: Maternal and Fetal Outcomes. The New Journal of Medicine 2010; 27: 113-116.
[10] Khashan et al., Preterm birth and reduced birthweight in first and second teenage pregnancies: a register-based cohort study BMC Pregnancy and Childbirth 2010, 10:36.
[11] Nanneli P, Ulla E, Mika G,The impact of maternal obesity, age, pre-eclampsia and insulin dependent diabetes on severe maternal morbidity by mode of delivery—a register-based cohort study. Arch Gynecol Obstet. 2015; https:// doi: 10.1007/s00404-014-3352-z.
[12] Singh et al. Transport of pregnant women and obstetric emergencies in India:na analysis of the ‘108’ ambulance service system data.BMC Pregnancy and Childbirth. 2016; 16:318.
[13] Paladugu RK, Donipudi PC, Chimata D, Jasti M. Adolescent pregnancy and its outcomes: a cross-sectional study. Int J Community Med Public Health 2018;5:4408-4414.
[14] Gazala Y, Aruna K , Bharti P. "Teenage Pregnancy - Its Impact On Maternal And Fetal Outcome".International Journal of Scientifi c Study. 2014;1:9-13.
[15] Talawar S, Venkatesh G. Outcome of Teenage Pregnancy. IOSR J Dental Med Sci. 2013;6:81-3.
[16] Thomas, E. G., Higgins, C. , Westgate, M. , Lin, A. E., Anderka, M. and Holmes, L. B. (2018), Malformations Surveillance: Comparison between Findings at Birth and Age 1 Year. Birth Defects Research, 110: 142-147. https:// doi:10.1002/bdr2.1096
[17] D. A. Schwartz. Maternal Death and Pregnancy-Related Morbidity Among Indigenous Women of Mexico and Central America. Global Maternal and Child Health: Medical, Anthropological, and Public Health Perspectives, https://doi.org/10.1007/978-3-319-71538-4_3
[18] Allanson et al.Causes of perinatal mortality and associated maternal complications in a South African province: challenges in predicting poor outcomes. BMC Pregnancy and Childbirth 2015; 15:37. https:// doi10.1186/s12884-015-0472-9.
[19] Cavazos-Rehg et al. Maternal age and risk of labor and delivery complications. Matern Child Health J. 2015;19:1202–1211.https:// doi:10.1007/s10995-014-1624-7.
[20] Wallace J. Young Maternal Age, Body Composition and Gestational Intake Impact Pregnancy Outcome:Translational Perspectives. In:L.R.Green, R.L.Hester, editores. Parental Obesity:Intergenerational Programming and Consequences, Physiology in Health and Disease.The American Physiological Society 2016.p.57-80.