GSTM1 and anemia (phenotype): Lower Hb among pastoral (119 g/L) vs. farming (124 g/L) in third trimester* Higher anemia among pastoral vs. farming during pregnancy (42.2% vs. 21.8%**)/lactation (43.4% vs. 27.7%*) Higher ferritin in pastoral vs. farming during pregnancy (25.8 μg/L vs. 24.4 μg/L*)/lactation (18.5 μg/L vs. 16.9 μg/L**)