Introduction: Pregnancy is a special natural and physiological event that is not always normally and is responsible for morbidity and preventable mortality. Pregnancy risk is defined as one that is complicated by a factor or factors that negatively affect the outcome of pregnancy the mother's side and/or perinatal. This study was assigned as targets to determine the risk pregnancy prevalence and the factors associated with these pregnancies. Materiel and Method: We conducted a cross-sectional descriptive study at the General Hospital Katuba in Lubumbashi for a period of three months from March to June 2017. Result: Our results showed that 11.5% of pregnancies were high risk and moderate in 21.6%. Overall, pregnancies were high or moderate risk of 33.1%. A proportion of 19.8% of new mothers were aged over 35 years and 3.4% were under 18 years. The average age was 28.8 ± 7.2 years. Age greater than 35 years, multiparity, the high parity, the multigestity and the large multigestity were significantly associated with a risk