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Maternal overnutrition is implicated in the development of adult metabolic disease, and has been shown to alter the expression of genes involved in energy homeostasis. In the present study, we aimed to test whether a short period of voluntary exercise, followed by a sedentary period, would regulate hypothalamic markers involved in appetite. Adult female Sprague–Dawley rats were fed either normal chow or high‐fat diet (HFD) ad lib. for 5 weeks, mated and continued on their assigned diet during gestation/lactation. At weaning males, were separated into chow or HFD groups; half were exercised (running wheels), whereas the remainder were sedentary. At week 10, wheels were removed and rats remained sedentary for 5 weeks, prior to tissue collection. Maternal obesity increased offspring adiposity at 15 weeks and this was exacerbated by postnatal HFD (P < 0.05). Body weight and fat mass were reduced in …