References
1 National Center for Health Statistics, final natality data 2015-2018.
2 Talih M, Huang DT. Measuring progress toward target attainment and the elimination of health disparities in Healthy People 2020. Healthy People Statistical Notes, no 27. Hyattsville, MD: National Center for Health Statistics. 2016.
3 IPUMS-USA, University of Minnesota, ipums.org. American Community Survey, US Census Bureau.
4 PUMS-CPS, University of Minnesota, ipums.org. Current Population Survey, US Census Bureau.
5 Kotelchuck M. An evaluation of the Kessner Adequacy of Prenatal Care Index and a Proposed Adequacy of Prenatal Care Utilization Index. Am J Public Health 1994; 84: 1414-1420.
6 Behrman RE, Stith Butler A, eds. Institute of Medicine, Committee on Understanding Preterm Birth and Assuring Healthy Outcomes. Preterm Birth: Causes, Consequences, and Prevention. Washington, DC: The National Academies Press; 2007.
7 Waitzman NJ and Jalali A. Updating National Preterm Birth Costs to 2016 with Separate Estimates for Individual States. Salt Lake City, UT: University of Utah; 2019.
8 Kaiser Family Foundation, https://www.kff.org/health-reform/state-indicator/state-activity-around-expanding-medicaid-under-the-affordable-care-act/. Retrieved on June 30, 2019.
9 Health Resources and Services Administration. Title V Maternal and Child Block Grant Program. Available at: https://mchb.hrsa.gov/data-research-epidemiology. Retrieved on September 12, 2019.