1. Ahn HL. An 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 Seoul: Yonsei University;Unpublished doctoral dissertation.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. Andersen AN, Goossens V, Gianaroli L, Felberbaum R, de Mouzon J, Nygren KG. Assisted reproductive technology in Europe,2003. Results generated from European registers by ESHRE. Human Reproduction. 2007. 22(6):1513–1525.
http://dx.doi.org/10.1093/humrep/dem053.
3. Bae DW, Lee SH, Cheong BJ, Kie BS. A study on psychological strain in IVF. Korean Journal of Obstetrics and Gynecology. 1993. 36(6):800–811.
4. Baker A, Ferguson SA, Roach GD, Dawson D. Perceptions of labor pain by mothers and their attending midwives. Journal of Advanced Nursing. 2001. 35(2):171–179.
5. Chang SB, Kim HS, Ko YH, Bae CH, An SE. Effects of abdominal breathing on anxiety, blood pressure, peripheral skin temperature and saturation oxygen of pregnant women in preterm labor. Korean Journal of Women Health Nursing. 2009. 15(1):32–42.
http://dx.doi.org/10.4069/kjwhn.2009.15.1.32.
6. Chang SB, Kang HC. Changes of maternal-fetal attachment and self efficacy for delivery after the taekyo-perspective prenatal class. Journal of Korean Academy of Women's Health Nursing. 2001. 7(1):1–17.
8. Choi YM. Current status of assisted reproductive technology in Korea, 2005. Korean Journal of Obstetrics and Gynecology. 2008. 51:1421–1446.
9. Choi YS. An experimental study of the effects of childbirth preparation on labor pain. 1983. Seoul: Yonsei University;Unpublished doctoral dissertation.
10. Chuntharapat S, Petpichetchian W, Hatthakit U. Yoga during pregnancy: Effects on maternal comfort, labor pain and birth outcomes. Complementary Therapies in Clinical Practice. 2008. 14:105–115.
11. Donesky-Cuenco D, Nguyen HQ, Paul S, Carrieri-Kohlman V. Yoga therapy decreases dyspnea-related distress and improves functional performance in people with chronic obstructive pulmonary disease: A pilot study. The Journal of Alternative and Complementary Medicine. 2009. 15(3):225–234.
http://dx.doi.org/10.1089/acm.2008.0389.
12. Jeong SO, Kho HJ, Lee EJ. Original articles: Effects of a Qigong training program on the anxiety and labor pain of primipara. Korean Journal of Women Health Nursing. 2006. 12(2):97–105.
13. Ji ES, Cho KJa, Kwon HJ. Effects of yoga during pregnancy on weight gain, delivery experience and infant's birth weight. Korean Journal of Women Health Nursing. 2009. 15(2):121–129.
http://dx.doi.org/10.4069/kjwhn.2009.15.2.121.
14. Jun SH. Effect of exercise experience of pregnancy on back pain and delivery self-efficacy. Journal of Korean Physical Education Association for Girls and Women. 2008. 22(2):229–242.
15. Jung MS. Effect of childbirth education on knowledge, anxiety, labor pain and self-cooperation in primipara and husbands. Journal of Kyungpook Nursing Science. 2003. 7(2):99–114.
16. Kim JL. Comparison of prenatal education programs for the primigravida-focused on anxiety and labor efficacy. Korean Journal of Women Health Nursing. 2005. 11(3):225–231.
17. Kim JT, Shin DK. A study based on the standardization of the STAI for Korea. New Medical Journal. 1978. 21(11):69–75.
18. Lee MK. Effects of San-Yin-Jiao(SP6) acupressure on labor pain, delivery time in women during labor. Journal of Korean Academy of Nursing. 2003. 33(6):753–761.
19. Lee MS, Lee SW, Choe MA, Kim KS, Kim YM. Experience of mothers with babies by in vitro fertilization. Journal of Korean Academy of Nursing. 2001. 31(1):55–67.
20. Markman HJ, Kadushin FS. Preventive effects of Lamaze training for first-time parents: A short-term longitudinal study. Journal of Consulting and Clinical Psychology. 1986. 54(6):872–874.
21. Moon H. The effect of the yoga exercise on fatigue, anxiety and labor process in expectant mothers. 2003. Gwangju: Chonnam National University;Unpublished doctoral dissertation.
22. National Health Insurance Corporation. Fertility status 2002-2006. 2008. Seoul: Author.
23. Parshad O. Role of yoga in stress management. The West Indian Medical Journal. 2004. 53(3):191–194.
24. Verhaak CM, Smeenk JM, Evers AW, Kremer JA, Kraaimaat FW, Braat DD. Women's emotional adjustment to IVF: A systematic review of 25 years of research. Human Reproduction Update. 2007. 13(1):27–36.
http://dx.doi.org/10.1093/humupd/dml040.