Become familiar with normal imaging findings and sonographic features of the first trimester pregnancy
Understand sonographic features of first trimester pregnancy complications
Understand common imaging pitfalls and become aware of practical patient management tips
Sonographic appearance of normal intrauterine pregnancy
Estimation of gestational age
Review serum Beta-HCG levels variability during the first trimester, discriminatory levels, and their reliability.
Early pregnancy failure
Sonographic diagnosis of embryonic demise
Non-viability cut-offs recommended by the American College of Radiology
Sonographic predictors of poor pregnancy outcome
Gestational sac diameter and crown rump length discrepancy
Subchorionic hemorrhage
Amniotic sac abnormalities
Yolk sac size and shape
Fetal heart rate
Ectopic pregnancy
Gestational age and Beta-HCG cutoffs for visualization of intrauterine pregnancy
Signs of rupture
Features affecting management
Methotrexate treatment exclusion criteria
Ziai, P,
Hayeri, M,
Teytelboym, O,
First Trimester Pregnancy Ultrasound: Normal and Abnormal Findings. Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL.
http://archive.rsna.org/2014/14016254.html