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In a 24-month prospective screening programme 6020 pregnant women were examined with diagnostic ultrasound at 17 and 32 weeks gestation. In a total of 23 (0.38%) abnormalities, four cases of urinary tract and two of intestinal tract abnormalities were discovered. The antenatal diagnosis influenced the management of these disorders both before and after birth.
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Kullendorff et al. (1984) studied this question.
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