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Objective : To evaluate the prevalence of congenital anomalies at Srinagarind Hospital.
Design : Descriptive study by prospective data collection.
Setting : Srinagarind Hospital, Khon Kaen University.
Subjective : All mothers and their anomalous infants who were born at Srinagarind Hospital between 1st April 1997 and 31st March 1998 .
Intervention : Data collection of the anomalous infants and their mothers.
Main outcome measures : Prevalence of congenital anomalies .
Results : This study revealed a 2.2 percent prevalence of congenital anomalies at Srinagarind Hospital during the study period (120 cases out of 5,420 total births). Among anomalous newborn cases, the male to female ratio was 1.7:1. Seventy eight percent of the anomalous infants were considered malformation . Syndrome, sequence, dysplasia, deformation , association and disruption were found to be 11.7, 5.8, 1.7, 0.8, 0.8 and 0.8 percent respectively. Major and minor congenital anomalies were found to be 64.2 and 35.8 percent respectively. Common major congenital anomalies were the abnormalities of gastrointestinal system, cardiovascular system , chromosomal abnormality , musculoskeletal system and central nervous system respectively.
Conclusion : Prevalence of congenital anomalies was not uncommon. To avoid congenital anomalies or provide proper obstetrical management , prenatal diagnosis should be offered in all pregnant women especially in high-risk groups.