• Nedaa M Bahkali, Maisam H Alhammadi, Wehad S Jambi, Hadeel A Albaradei, Nadin A Alharbi, Banan A Alsaif, Duaa M Bahkali, and Nabeel S H Bondagji.
• From the Department of Obstetrics and Gynecology, Faculty of Medicine, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.
• Saudi Med J. 2023 Dec 1; 44 (12): 129512991295-1299.

ObjectivesTo investigate the potential association between ABO blood groups and intrauterine fetal growth restriction (IUGR) among pregnant women who delivered at King Abdulaziz University Hospital (KAUH), Jeddah, Saudi Arabia.MethodsThis is a retrospective cohort study analyzed the medical records of pregnant women who delivered at KAUH and had postnatal follow-up visits. Missing data were completed by conducting phone interviews with patients.ResultsA total of 436 patients with a mean age of 31.2±5.5 years were included in the study. 50.7% of the women had blood type O, 28.4% had blood type A, 16.5% had blood type B, and 4.4% had blood type AB. The majority (94.7%) tested positive for the Rhesus antigen. Although statistically significant, women with blood groups AB and B exhibited higher rates of IUGR (31.6%, and 27.8%, respectively) compared to those with blood groups A and O, who had lower rates of IUGR (26.6%, and 24%, respectively).ConclusionOur study results showed that women with blood groups AB and B had slightly higher rates of IUGR than those with A and O, who had lower rates of IUGR. A larger study comparing blood group O to other groups may provide more insight into the relationship between ABO blood groups and IUGR.Copyright: © Saudi Medical Journal.

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