LAUSR

postpartum depression [3]. Thereafter, preventive effect of some nutrients intake during pregnancy on postpartum depression have been reported [4, 5], and a preventive effect of milk intake during pregnancy on postpartum depression was also reported [6]. Postpartum depression was judged by Edinburgh Postnatal Depression Scale score, and I understand that combination of study outcome from cross-sectional and prospective studies lead to some confusion. But information of milk intake and other dairy products during pregnancy should be included for the adjustment of Poisson regression analysis. Anyway, recent study demonstrated that there were several factors for antepartum and postpartum depression other than dietary factors [7], and simultaneous assessment of antepartum, peripartum and postpartum depression is needed for improving women’ health.