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Published on: October 24, 2017
First-trimester ultrasound: current uses and applications
Antonette T Dulay1, Joshua A Copel
1Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA. antonette.dulay@yale.edu
This guide helps healthcare providers interpret first-trimester ultrasounds for early pregnancy. It covers normal and abnormal findings, fetal aneuploidy screening, and predicting adverse outcomes.
Area of Science:
- Obstetrics and Gynecology
- Medical Imaging
- Fetal Medicine
Background:
- First-trimester ultrasound is crucial for early pregnancy assessment.
- Accurate interpretation of sonographic findings is essential for patient management.
- Understanding embryology aids in identifying normal and abnormal development.
Purpose of the Study:
- To enhance sonographer and clinician interpretation of first-trimester ultrasound.
- To review current clinical applications and interpretations of early pregnancy ultrasounds.
- To discuss the role of ultrasound in screening and prediction.
Main Methods:
- Review of current literature and established practices in first-trimester ultrasound.
- Discussion of basic embryology relevant to early pregnancy.
- Analysis of sonographic findings in normal and abnormal early pregnancies.
Main Results:
- First-trimester ultrasound is vital for assessing early pregnancy viability and development.
- Ultrasound effectively screens for fetal aneuploidy.
- Sonographic markers can predict adverse perinatal and maternal outcomes.
Conclusions:
- Comprehensive understanding of first-trimester ultrasound improves clinical decision-making.
- Early ultrasound plays a key role in risk assessment for aneuploidy and adverse outcomes.
- This review provides a framework for optimal clinical application of first-trimester sonography.
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