Of the 26 studies that reported psychological experiences of women with GDM [12,[22], [23], [24], [25], [26], [27], [28], [29], [30], [31], [32], [33], [34], [35], [36], [37], [38], [39], [40], [41], [42], [43], [44], [45], [46]], there appears to be psychological distress associated with concerns related to the baby [23], blood glucose monitoring [45] and administering insulin injections [39]. The gene discussed is INS; the disease is gestational diabetes.