Sickle cell anaemia prevalence of under 1%, homozygous or thalassaemia trait of 4.4% in WIRA [63] and G6PD prevalence (partial and full defect) of 0.8% up to 19.3% in pregnant women [10, 82, 83] have been reported in the country. The gene discussed is G6PD; the disease is sickle cell disease.