1. Khanna D, Tsevat J . Health-related quality of life: An introduction. Am J Manag Care 2007; 13: S218–S223.
2. Geigle R, Jones SB . Outcomes measurement: a report from the front. Inquiry 1990; 27 (1): 7–13.
3. Gjerdingen DK, Froberg DG, Fontaine P . The effects of social support on women's health during pregnancy, labor and delivery, and the postpartum period. Fam Med 1991; 23: 370–375.
4. Hueston WJ, Kasik-Miller S . Change in functional health status during normal pregnancy. J Fam Pract 1998; 47: 209–212.
5. Mota N, Cox BJ, Enns MW, Calhoun L, Saren J . The relationship between mental disorders, quality of life, and pregnancy: Findings from a nationally representative sample. J Affect Disord 2008; 109: 300–304.