A systematic trend for 4-6% lower BMD was observed in the study group, but this difference was mainly attributable to a difference in body weight between the groups. In addition, the omega (omega)-3 fatty acid metabolite EPA showed a positive association with femoral neck BMD. Mothers of atopic infants had a significantly lower proportion of omega-6 fatty acid parent LA and a higher proportion of omega-6 fatty acid metabolite GLA than the control mothers