Mohammed Osman5, Mohamed Abdelrahamn1, Elfatih Mohammed2, Abdelwahab Abdien3, Rashid Eltayeb4,, 1Mohamed. S, PSC Medical Laboratory Science, Shendi University, Haematology Department. Shendi 2Elfatih. A, MSC Medical Laboratory Science, Shendi University, Haematology Department. Shendi 3Abdelwahab. S, MSC Medical Laboratory Sciences, Shendi University, Clinical Chemistry Department. Shendi 4Rashid. E, MSC Medical Laboratory Sciences, Shendi University, Haematology Department. Shendi 5Mohammed. A, MSC Medical Laboratory Sciences, Shendi University, Haematology Department. Shendi, Sudan