Prevalence of Rh negative pregnant women who attended the antenatal clinic and delivered in Rajavithi Hospital: 2000-2005.

OBJECTIVE To assess the prevalence of Rh-negative pregnant women who attended the antenatal clinic and delivered in Rajavithi Hospital. MATERIAL AND METHOD A descriptive retrospective study in Rh-negative pregnant women was done. The present study included the general characteristic of cases, anti-D immunoglobulin prophylaxis administration, fetal anemia and neonatal jaundice. RESULTS During the study period, 147 Rh-negative pregnant women delivered at Rajavithi Hospital. The prevalence of Rh-negative pregnant women in Rajavithi hospital was 0.31%. Fetal anemia and neonatal jaundice were detected in 21.9% and 37.2%, respectively, and 68.14% of cases received antenatal anti-D immunoglobulin. Anti-D immunoglobulin prophylaxis significantly reduced the incidence of neonatal jaundice (p < 0.05). CONCLUSION The prevalence of Rh-negative pregnant women was 0.31%.