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Predicting pregnancy survival from a single first trimester vaginal ultrasonogram
T H Burwinkel1, D S Emerson, J E Buster
1Department of Obstetrics and Gynecology, Wright State University, Dayton, Ohio.
Summary
Early first trimester ultrasound measurements of fetal heart rate (FHR), sac diameter (SACD), and crown-rump length (CRL) can predict successful pregnancy outcomes. These key indicators, assessed via transvaginal ultrasonography, offer valuable prognostic information.
Area of Science:
- Obstetrics and Gynecology
- Reproductive Medicine
- Medical Imaging
Background:
- Predicting early pregnancy outcomes is crucial for clinical management.
- First-trimester ultrasound markers are increasingly utilized for prognostic evaluation.
Purpose of the Study:
- To evaluate the predictive value of early first-trimester fetal heart rate (FHR), gestational sac diameter (SACD), and crown-rump length (CRL) for pregnancy outcomes.
- To determine if a single transvaginal ultrasonogram can forecast successful pregnancy.
Main Methods:
- Retrospective analysis of 274 pregnancies.
- Transvaginal ultrasonography performed between 5.0 and 9.0 weeks' gestation.
- Correlation of FHR, gestational SACD, and CRL measurements with pregnancy outcomes.
Main Results:
- Fetal heart rate (FHR) showed a strong positive correlation with successful pregnancy outcomes (P < 0.0001).
- Gestational sac diameter (SACD) was significantly correlated with successful outcomes (P = 0.0002).
- Crown-rump length (CRL) measurements also positively correlated with a successful pregnancy outcome (P = 0.0059).
Conclusions:
- Early first-trimester ultrasound measurements, including FHR, gestational SACD, and CRL, are reliable predictors of pregnancy success.
- A single transvaginal ultrasound scan in early pregnancy can provide valuable prognostic information.