Parental consanguinity as a cause of increased incidence of birth defects in a study of 131, 760 consecutive birthsxs

Abstract excerpt

The risk for birth defects in the offspring of first cousin parents is substantially higher than in the offspring of non-consanguineous parents. As a general decline in the frequency of consanguineous marriages was observed in this century, one wonders whether consanguinity is still a factor in the appearance of birth defects in developed countries. Based on our registry of congenital anomalies, we think that the...

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