Women experience a range of physical and emotional changes in pregnancy, which can impact upon their car travel. A major problem is vehicle entry and egress. This paper presents the systems approach used to gain insight into getting in and out of the car during the gestation period. The systems approach involves defining the system in terms of its objectives, subsystems, environment and interactions. A model of a vehicle system is used to interpret the problems and experiences of entry and egress reported by pregnant women. The analysis is based upon a questionnaire and anthropometric measurements. Understanding the vehicle system helps to identify both how the changed attributes of pregnant women can affect the interactions of the system, and the influence of the system environment. The systems approach is used to present an analysis of vehicle entry and egress so that automotive designers can make informed design decisions.

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