Early Detection of Major Fetal Structural Anomalies in the First Trimester: A Retrospective Single-Center Study in an Unselected Population
Background: The first-trimester ultrasound (11 + 0 to 13 + 6 weeks) is primarily used for aneuploidy screening, yet its potential for early identification of major fetal structural anomalies in an unselected population continues to be explored. This study evaluated the clinical yield and feasibility of a systematic fir...