“…Twenty studies did not report the mean BMI [ 30 , 31 , 33 , 35 , 36 , 38 , 41 , 42 , 55 , 58 , 61 , 70 – 72 , 74 , 78 , 80 , 82 , 83 , 88 ] and only two studies did not report the prevalence of BMI categories [ 48 , 63 ]. Furthermore, regarding the methods of collecting GWG: eighteen studies measured the GWG [ 30 , 36 , 43 , 45 – 48 , 52 , 54 , 57 , 59 , 60 , 62 , 63 , 65 , 78 , 83 , 84 ], thirty-eight used medical records [ 5 , 28 , 29 , 31 – 35 , 38 – 42 , 44 , 49 – 51 , 53 , 55 , 56 , 58 , 61 , 66 , 68 – 72 , 75 , 77 , 79 , 81 , 82 , 85 – 89 ] and seven studies used women’s self-reported data [ 37 , 64 , 67 , 73 , ...…”