Human Reproduction, Vol. 14, No. 6, 1656-1662,
June 1999
© 1999 European Society of Human Reproduction and Embryology
Psychosocial stress and treatment outcome following assisted reproductive technology
Department of Anatomy and Human Biology, The University of Western Australia, Nedlands, W.A. 6907, Australia
This study investigated the association between psychosocial stress and outcome of in-vitro fertilization and gamete intra-Fallopian transfer treatment. Ninety women, enrolled for treatment at a private infertility clinic, completed two self-administered psychometric tests (Bi-polar Profile of Mood States, POMS; and StateTrait Anxiety Inventory, STAI) and a questionnaire to ascertain demographic and lifestyle characteristics before the start of treatment. Approximately 12 months later an outcome measure was determined for each participant in terms of whether she was pregnant or not pregnant and the number of treatment cycles undertaken to achieve clinical pregnancy. The women's scores on the psychological tests were similar to published normative scores. On univariate analysis, history of a previous pregnancy was positively related to the probability of pregnancy and full-time employment, a more `hostile' mood state and higher trait anxiety were associated with a lower cumulative pregnancy rate. A Cox multiple regression model found previous pregnancy history, trait anxiety, and the POMS agreeablehostile and elateddepressed scales to be the most important lifestyle and stress variables predictive of pregnancy. The results emphasize the importance of psychosocial stress in treatment outcome but indicate that the relationships are complex. Further studies are required to validate whether these findings can be generalized to other populations.
Key words: infertility/IVF/prospective study/psychosocial stress
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