1. Births in the United States, 2018;Martin;NCHS Data Brief,2019
2. Committee on Understanding Premature Birth and Assuring Healthy Outcomes. Preterm birth causes, consequences, and prevention;Behrman,2007
3. Effects of maternal stress on low birth weight and preterm birth outcomes across neighborhoods of South Carolina, 2000-2003;Nkansah-Amankra;Matern Child Health J,2010
4. Role of perceived stress in the occurrence of preterm labor and preterm birth among urban women;Seravalli;J Midwifery Womens Health,2014
5. Relationships of cortisol, perceived stress, genitourinary infections, and fetal fibronectin to gestational age at birth;Ruiz;Biol Res Nurs,2001