J. obstet. gynaecol. Can; 43 (1), 2021

This revised guideline is intended to provide an update on the genetic aspects, prevention, screening, diagnosis, and management of fetal neural tube defects. Target population: Women who are pregnant or may become pregnant. Neural tube defect screening should be offered to all pregnant women. For preven...

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J. obstet. gynaecol. Can; 42 (11), 2020

To assess the association between sonography-derived cervical length measurement and preterm birth. To describe the various techniques to measure cervical length using sonography. To review the natural history of the short cervix. To review the clinical uses, predictive ability, and utility of sonography...

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J. obstet. gynaecol. Can; 39 (12), 2017

OBJECTIVE: This guideline presents an evidence-based technical update and recommendations for the performance of early comprehensive fetal anatomic scanning (ECFAS) at 11 to 16 weeks' gestation. OPTIONS: Patients at high risk for fetal anomalies and in whom traditional mid-second trimester transabdominal...

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