examined the relationship of preconception Hb to stillbirth, with results indicating no significant associations with low (OR (95% CI); 1.23 (0.39−3.86) or high (0.83, (0.52−1.33)) Hb concentrations.17 During pregnancy, low maternal Hb in the second trimester was associated with increased odds of stillbirth (OR (95% CI); 2.22 (1.36−3.65)). The gene discussed is GSTM1; the disease is Stillbirth.