Predictive Value of Yolk Sac in Early Pregnancy by Ultra|Sonography

[PDF] Size of Yolk Sac by Ultrasonography and Its Correlation with ...

The size of yolk sac in pregnancies of duration 6-12 weeks was measured by Transvaginal sonography and its correlation with pregnancy ...

Role of Pelvic Ultrasonography in Evaluation of Symptomatic First ...

Identification of a gestational sac containing a clearly defined yolk sac or fetal pole (Figure 3) confirms the diagnosis of an intrauterine pregnancy with a ...

Evaluation of yolk sac diameter, gestational sac diameter and ...

Abnormalities of the yolk sac size and shape can be used as agood predictive indicator of early pregnancy loss. The mean value of gestational sac diameter at 6 ...

Significance of yolk sac measurements with vaginal sonography in ...

prognostic value of secondary yolk sac diameter of the embryo on pregnancy outcome. ... graphy; Differential diagnostic importance of sekoder yolk sac in early ...

Association of HCG Level with Ultrasound Visualization of the ...

A yolk sac was predicted to be visualized 50% of the time at an HCG level of 4626 mIU/mL, 90% at 12,892 mIU/mL, and 99% at 39,454 mIU/mL. A ...

Maternal physical activity affects yolk sac size and growth in early ...

A total of 358 yolk sac measurements were obtained through sonographic assessment at gestational weeks 7 and 10, showing an increase in the mean ...

Evaluation of Early Pregnancy Failure with Ultrasound

Early transvaginal sonography following an accurately dated pregnancy: the importance of finding a yolk sac or fetal heart motion. Hum Reprod 1997;12(12):2820-3 ...

Early Pregnancy Loss (Embryonic Demise) Imaging

If the mean gestational sac diameter is less than 25 mm with a transvaginal ultrasound scan and there is no visible fetal pole, perform a second ...

Large Gestational Yolk Sac - General Information

Ultrasonography features at the time of diagnosis of EPL ... assess the value of YS measurement in predicting pregnancy outcome in the first trimester.

[PDF] Abnormal sonographic appearances of the yolk sac

An enlarged yolk sac visualized before the 7th week of gestation is strongly associated with a significantly increased risk for spontaneous miscarriage and ...

Yolk Sac in Early Pregnancy: Meaning & Function - Cleveland Clinic

The yolk sac is one of the first structures a healthcare provider can see during prenatal ultrasound. It can help confirm pregnancy, along with ...

Normal and Abnormal US Findings in Early First-Trimester Pregnancy

Endovaginal US images show a normal yolk sac at varying stages of early pregnancy. ... Subchorionic hemorrhage in first-trimester pregnancies: prediction of ...

Predictive Potential of Yolk Sac Diameter in Pregnancy a ...

The importance of yolk sac measures in forecasting first-trimester pregnancy outcomes has been highlighted by a number of research. The results show a ...

yolk sac diameter and embryonic heart rate as prognostic factors of ...

Yolk sac diameter in the first trimester significantly correlates with the pregnancy outcome. An enlarged yolk sac is associated with an increased risk of ...

A study to assess predictive value of yolk sac diameter by ... - IMSEAR

A yolk sac can be detected easily by transvaginal sonography when the mean gestational sac diameter is 5 to 6 mm. Generally, the yolk sac should be observed ...

Can detection of the yolk sac in the first trimester be used to predict ...

Absence of the yolk sac was not consistently predictive of a spontaneous abortion. When using the MSD range (20-27 mm abdominally and 7-16 mm transvaginally), ...

Diagnostic Ultrasound in the First Trimester of Pregnancy - GLOWM

With a transvaginal probe, a 2- to 3-mm gestational sac can usually be seen by 5 weeks from the last menstrual period (Fig 1A). A yolk sac is usually seen by 6 ...

Role of First Trimester Ultrasonographic Parameters for Prediction of ...

There was significantly lower mean gestational sac diameter (GSD), crown to rump length (CRL), fetal heart rate (FHR), and P-value < 0.001 in women who ...

Yolk sac size and embryonic heart rate as prognostic factors of first ...

The gestational Age at the time of first scan predicted very significantly the first trimester pregnancy outcome (T-test p<0.001**). The Crown ...

Volume 17 Issue 3 - Medpulse

Abnormal yolk sac diameter (>6mm and <3mm) was compared with pregnancy outcome, sensitivity of predicting an abnormal outcome was 72.73%, specificity was 98.72% ...