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[The fetal head: from screening to diagnosis]
H Le Guern1, P Marcorelles, Ph Parent
1Centre d'échographie, 16 rue d'Aiguillon, 29200 Brest. helene.le.guern@wanadoo.fr
Journal De Radiologie
|February 20, 2003
Summary
Prenatal screening ultrasounds require trained sonographers and reproducible imaging techniques for effective fetal anomaly detection. Diagnosis is confirmed later, typically around 21 weeks gestational age.
Area of Science:
- Medical Imaging
- Obstetrics
- Fetal Medicine
Background:
- Implementing widespread prenatal screening ultrasound programs necessitates standardized protocols.
- Adequate sonographer training is crucial for program success.
- Reproducible imaging planes of the fetal head are essential for reliable screening.
Observation:
- Screening identifies potential local or global fetal anomalies using reference images.
- Anomalies are confirmed via distinct medical approaches.
- Confirmation of diagnosis typically occurs in the second trimester (around 21 weeks gestational age).
Findings:
- Standardized training and reproducible techniques are key to effective prenatal ultrasound screening.
- Reference images aid in initial anomaly detection.
- Second-trimester diagnosis is standard for confirmed fetal anomalies.
Implications:
- Standardized prenatal ultrasound programs can improve early detection of fetal anomalies.
- Consistent training ensures reliable screening across different technologies.
- Timely diagnosis facilitates appropriate prenatal care and management.