1. Ahn H.L. Experimental study of the effects of husband's supportive behavior reinforcement education on stress relief of primigravidas. 1984. Seoul: Yonsei University;Unpublished doctoral dissertation.
2. Baggley A., Navioz Y., Maltepe C., Kolen G., Elnarson A. Determinants of women's decision making on whether to treat nausea and vomiting of pregnancy pharmacological. J Midwifery Womens Health. 2003. 48(5):322–328.
3. Choi M.K. The effects of stressful life experiences, perceived anxiety control and the ratio of active coping anxiety symptoms. 2003. Chunchun: Hallym University;Unpublished master's thesis.
4. Cohen J. Statistical power analysis for the behavioral sciences. 1998. 2nd ed. Hillsdale, NJ: Lawrence Erlbaum Associates;19–406.
5. Coster-Schulz M.A., Mackey M.C. Women's views of the preterm labor experience. Clin Nurs Res. 1998. 1(4):366–384.
6. Cunningham F.G., Gant N.F., Leveno K.J., Gilstrap L.C., Hauth J.C., Wenstrom K.D. Williams obstetrics 22th. 2005. New York: The McGraw-Hill.
7. Ford M., Hodnett E. Predictors of adaptation in women hospitalized during pregnancy. Can J Nurs Res. 1990. 22(4):37–50.
8. Gupton A., Heaman M. Perceptions of bed rest by women with high-risk pregnancies: A comparison between home and hospital. Birth. 1998. 25(4):252–258.
9. Gupton A., Heaman M., Ashcroft T.L. Bed rest from the perspective of the high-risk pregnant woman. JOGNN. 1997. 26(4):423–430.
10. Heo H., Hwang J.Y., Kim D.G., Lee H.J., Sim J.C., Yang H.S. A clinical study of pregnancy and delivery in pregnant women 35 years and older. Taehan Sanbuinkwa Hakhoe Chapchi. 2004. 47(3):458–464.
11. Kang M.C. Epidemiologic study of preterm birth in Chosun University Hospital. 2004. Gwangju: Chosun University;Unpublished master's thesis.
12. Kim H.K. Stress and coping style of women with preterm labor. 2002. Seoul: Seoul National University;Unpublished master's thesis.
13. Koo Y.H. Analysis of preterm birth rate based on birth certificate data: from 1995 to 2003. 2005. Ulsan: Ulsan University;Unpublished master's thesis.
14. Lazarus R.S., Folkman S. Stress, appraisal and coping. 1984. New York: Spring Publishing Company.
15. Lee P.S. A study on the physical and emotional status, and nursing needs and performance of the premature labor women. 1995. Hanyang University: Seoul;Unpublished master's thesis.
16. Lee P.S., Yoo E.G. A study on the physical and emotional status, and nursing needs of the pregnant women hospitalized by premature labor. Korean Journal of Women Health Nursing. 1996. 2(1):76–91.
17. Lee S.A. Influence the Mandala art therapy exerts on the anxiety of labor of the pregnant women. 2006. Seoul: Hanyang University;Unpublished master's thesis.
18. Lee S.Y. A correlational study on parents' stress and family function of childhood cancer illness. 2003. Seoul: Ewha Womans University;Unpublished masters thesis.
19. MacKinnon K. Living with the threat of preterm labor: Women's work of keeping the baby in. JOGNN. 2006. 35(6):700–708.
20. Min H.S., Son M.J. The change of the mother's stress pattern with time elapse after giving birth to premature babies. J Korean Acof Nurs. 2004. 34(7):1265–1276.
21. Moon D.H. The comparative study with fatigue, anxiety and stress between full-term and preterm pregnancy. 2006. Gwangju: Chonnam National University;Unpublished master's thesis.
22. Rines A.R, Montag M.I. Nursing concept and nursing care. 1976. New York: A Wiley Biomedical Publication.
23. Shin J.C. Recent trends in management of preterm labor. Taehan Sanbuinkwa Hakhoe Chapchi. 2006. 49(7):1403–1411.
24. Whang J.E., Noh J.R., Kim T.J., Park S.H., Lee J.S., Ann K.M., Yang S.H., Lee J.H. Neonatal outcomes of very low birth weight infants from spontaneous and indicated preterm delivery. Taehan Sanbuinkwa Hakhoe Chapchi. 2000. 43(4):591–596.
25. White M., Ritchie J. Psychological stressors in antepartum hospitalization: Reports from pregnant women. MCN Am J Matern Child Nurs. 1984. 13(1):47–56.
26. Wiklund I., Matthiesen S., Klang B., Berit A., Arvidson R. A comparative study in Stockholm, Sweden of labour outcome and women's perceptions of being referred in labour. Midwifery. 2002. 18(1):12–20.
27. Wilson-Barnett J., Carrigy A. Factors influencing patients emotional reactions to hospitalization. J Adv Nurs. 1978. 3(3):221–229.
28. Yoon I.S. A study on emotions, feelings of discomfort, and nursing needs of the women in the possibility of abortion: Centered on the threatened abortion and habitual abortion during hospitalization. Korean J Women Health Nurs. 1995. 1(1):94–107.