Neural tube defects and first trimester operations

Abstract excerpt

Swedish health care registries were used to identify women who had surgery during pregnancy and their offspring. Among the 2,252 infants born to women who had first trimester operations during 1973-1981, six had definite diagnoses of neural tube defects (expected number, 2.5). Scrutiny of the records showed that 572 operations occurred during gestational weeks 4-5, the period of neural tube formation, and that...

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