1. Centers for Disease Control and Prevention (CDC). Preterm birth. 2015. Available at:
http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pretermbirth.htm
.
2. March of Dimes Special Report. Perinatal Data Center maternal and infant health in US Hispanic populations: prematurity and related health indicators. March of Dimes Perinatal Center; 2014.
3. National Academy of Sciences. Preterm birth: causes, consequences, and prevention. In: Behrman RE, Butler AS, editors. Institute of Medicine (US) Committee on Understanding Premature Birth and Assuring Healthy Outcomes. Washington, DC: National Academies Press; 2007.
4. Hamilton BE, Martin JA, Osterman MJ, Curtin SC, Matthews TJ. Births: final data for 2014. Natl Vital Stat Rep. 2015;64:1–64.
5. Born Too Soon and Too Small in the United States. March of Dimes Perinatal Data Center; March 2015.