Hematological Profile of Pregnant Women Followed in Prenatal Consultation in Health Structures in Kinshasa, Democratic Republic of Congo

—Introduction: Pregnancy is a state characterized by physiological, changes, some of which can be demonstrated by changes in the appropriate parameters. It produces physiological changes that become more prominent as the pregnancy progresses. This study aimed to compare different hematological parameters between pregnant women from the first to the third trimester of pregnancy in Kinshasa. Method: This analytical cross-sectional study recruited 451 pregnant women Kinshasa, from December 2022 to April 2023. Complete blood counts were performed using Mindray hematology analyzer BC- 5150. The hematological profile and demographic variables were analyzed using SPSS version 24 software. The variables are expressed as mean, frequency and percentage. Categorical variables were compared using the chisquare test with statistical significance at p˂0.05. Results: This study recruited 451 pregnant women. The average age is 27.42±5.83 years. We observed a significant decrease in mean values of GR, Hb, HCT, RDWSD and RDWCV and a significant increase in WBC values from the first to the third trimester of pregnancy. Conclusion: Pregnancy is accompanied by changes in hemoglobin, hematocrit and red blood cells whose rate decreases significantly and the white blood cell whose rate increases significantly from the first to the third trimester of pregnancy.