Accuracy of first-trimester ultrasound in diagnosis of intrauterine pregnancy prior to visualization of the yolk sac: a systematic review and meta-analysis

2015 ◽  
Vol 46 (2) ◽  
pp. 142-149 ◽  
Author(s):  
A. Richardson ◽  
I. Gallos ◽  
S. Dobson ◽  
B. K. Campbell ◽  
A. Coomarasamy ◽  
...  
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
First Trimester ◽  
Yolk Sac ◽  
Intrauterine Pregnancy ◽  
First Trimester Ultrasound

scholarly journals First trimester ultrasound for the detection of fetal heart anomalies: A systematic review and meta‐analysis

2021 ◽  
Author(s):  
J. N. Karim ◽  
E. Bradburn ◽  
N. Roberts ◽  
A. T. Papageorghiou ◽  
Aris T. Papageorghiou ◽  
...  
Keyword(s):  
Systematic Review ◽  
Fetal Heart ◽  
Meta Analysis ◽  
First Trimester ◽  
First Trimester Ultrasound

scholarly journals Ultrasound Evaluation of Pregnancy in the First Trimester

2010 ◽  
Vol 4 (1) ◽  
pp. 17-28 ◽  
Author(s):  
George M Graham
Keyword(s):  
Early Pregnancy ◽  
First Trimester ◽  
Transvaginal Sonography ◽  
List Type ◽  
Intrauterine Pregnancy ◽  
Ultrasound Evaluation ◽  
Early Pregnancy Failure ◽  
Ultrasound Findings ◽  
Ultrasound Technology ◽  
First Trimester Ultrasound

Abstract Improvements in ultrasound technology, including transvaginal sonography and higher frequency probes, have led to a better understanding of early pregnancy development. These advances and the increasing availability of ultrasound allow women to have an earlier and more accurate assessment of their pregnancy. First trimester sonographic signs have been identified that can be used to reassure women that their pregnancy is progressing normally or counsel them that their pregnancy will fail. In addition, first trimester ultrasound can accurately predict the type of twinning in multiple gestations, allowing for appropriate counseling and management. Objectives Know the first trimester ultrasound findings of a normal intrauterine pregnancy Understand the ultrasound findings that diagnose an early pregnancy failure Know the ultrasound criteria used to diagnose a multifetal gestation

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