Background: This study was conducted at the Obstetrics and Gynecology Hospital in Elobied City - North Kordofan State, West of Sudan, in the period from December 2017 to December 2019, to detect the presence of anaemia and the factors contributed to its presence among the pregnant women. Methods: Systematic random sampling method was used to select 384 pregnant women. Data were collected by questionnaire and a blood samples were taken from all women chosen and analyzed by Mindray haematology analyzer to measure the hemoglobin level to detect the presence of anaemia. The data of questionnaire were analyzed by SPSS. The results presented in tables and figures showing to the percentages. The Chi- square test (McNemar,s test)was used to find the relation between the presence of anaemia and some variables. Results: It found that 23.4% of the pregnant women had marked anaemia, 51.6% of them had early anaemia. Also 44% of the pregnant women were affected by malaria during pregnancy period. Most pregnant women (93.2%) were exposed to mosquitoes bite. The majority of the pregnant women (98.96% ) have insufficient monthly income (few and middle). Conclusion: the study concluded to that most pregnant women (75%) were have anemia (marked and early anemia). The factors that contributed to the presence of anaemia among the pregnant women are: The insufficient monthly income (few and middle) contributed with 74.22% , The exposure to mosquitoes bite (70.3%), Lack of knowledge of pregnant women about anemia (45.3%) and the affecting by malaria during pregnancy period (32.3%).