Abstract
A framework within which to view psycho-physiological pregnancy research is presented. Based on a model of stress, the framework follows a sequence of 'demand-perception-response-consequence.' Each stage of the sequence is analysed in terms of its psychological (incorporating emotional, cognitive, and psycho-social components), behavioural and physiological aspects. It is suggested that the model is most useful for the conceptualization and design of multivariate research on psycho-social obstetric issues.

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