“Test-Tube Baby” procedures: Stress and judgements under uncertainty

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Abstract
Patients participating in an in vim fertilisation with embryo transfer (IVF and ET) programme face uncertainty at each stage of the procedure. Research on heuristics and on stress lead to predictions about behaviour in situations of uncertainty. It was predicted that IVF and ET participants would overestimate the likelihood of success, due to publicity the process has received, and would underestimate the likelihood of an earlier, less publicised. stage in the procedure. Both predictions were confirmed in a total of 70 participants (26 women at out-patient clines, 23 of their partners and 21 surgical in-patients). All the men and all but one woman overestimated the likelihood of becoming pregnant and having a baby. and most of the surgical patients underestimated the likelihood of egg recovery. Estimates were not related to patients' confidence about their information, confirming previous evidence about confidence in inaccurate judgements based on heuristics. Data on patients' distress as indicated by mood rating show high anxiety at points of uncertainty and Pailure, as found in other studies of stress. While the couples shared their inaccurate judgements. they did not necessarily share their distress. The results are discussed in terms of patients' decision making. coping strategies and the implications for doctor-patient communication.

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