Mother_ID,Batch,Group,Infant_ID,Foster_ID,GWG
1112102,Batch1,Obese,3112102,NA,0.33
1114102,Batch1,Obese,3114102,NA,0.47
1144110,Batch1,Lean,3144110,NA,1.82
1145122,Batch1,Lean,3145122,NA,1.47
1147111,Batch1,Lean,3147111,NA,0.61
1211112,Batch2,Obese,3211112,NA,-0.15
1212115,Batch2,Obese,3212115,NA,0.46
1214217,Batch2,Obese,3214217,2214217,0.52
1215218,Batch2,Obese,3215218,2215218,0.3
1216119,Batch2,Obese,3216119,NA,0.45
1241217,Batch2,Lean,3241217,2241217,1.12
1242201,Batch2,Lean,3242201,2242201,2.19
1243225,Batch2,Lean,3243225,2243225,1.59