"Historically, the literature has focused on risk factors operative within the prenatal or immediate preconception period," explained study leader Jennifer Kane, an assistant professor of sociology at the University of California, Irvine. "A key contribution of our report is that we look further back in time -- before women even become pregnant -- and identify earlier maternal life events and risk factors that could set in motion a series of events that ultimately lead to poor health at birth among offspring," she added ….

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