Background; Anaemia in expectant women is a serious world-wide public health problem with adverse pregnancy outcomes. The study aim is to investigate prevelance, sosciodemographic characteristics, medical and obstetrical risk factors of iron deficiency anaemia during pregnancy at Minia maternity university hospital in one year, Subjects and methods; This study is A prospective analytical study, was conducted at the Minia university hospital for gynecology and obstetrics on all pregnant women with hemoglobin level less than 11 gm/dl in the first trimester and less than 10.5 gm/dl in the second and third trimester from November 2019 to October 2021, Result; this study was conducted on 5500 women; 2211 of them had iron deficiency anemia (40.2%), The only factors which emerged as statistically significant were rural residence, low education, Low Family income, Multi-para, low Pregnancy interval, insufficient meals per day, insufficient Meat intake, insufficient vegetables intake, insufficient egg intake, insufficient milk intake, and Parasitic infestation. Conclusion; Based on our findings, there was highly significant difference between the cases with iron deficiency anemia and cases without iron deficiency anemia regarding residence, education, family income, BMI, parity, gestational age, Pregnancy interval, and delivery mode. Iron deficiency anemia was significantly higher with cases took ‹ 3 times per day, meat intake less than 2 times per week, vegetables intake less than 2 times per week, egg intake and milk intake less than 2 times per week and cases that did not take iron supplementation,