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Updated: Aug 19, 2026
High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo
Published on: November 8, 2018
Ultrasound assessment of first-trimester bleeding
Charles W Schauberger1, Michelle A Mathiason, Brenda L Rooney
1Gundersen Lutheran Medical Center, 1900 South Avenue, La Crosse, WI 54601, USA. cwschaub@gundluth.org
Objective:
To assess the outcome (to the end of the first trimester) of pregnancies with vaginal bleeding and the influence of ultrasound-acquired information on care and cost of care.
Methods:
A chart review was performed of 1,240 patients receiving care at an integrated medical center for threatened abortion from 1998-2000. Records from 715 patients with adequate follow-up data were reviewed and outcomes studied. Charges for outpatient and inpatient care were obtained from the data warehouse.
Results:
Main findings include that on endovaginal ultrasonography, 44% of the pregnancies were viable, of which 86% continued to the end of the first trimester and that of the 33% of pregnancies that were nonviable, 74% successfully miscarried without intervention. Charges for the care varied significantly, based on outcome and choice of site of care.
Conclusion:
Endovaginal ultrasonography for the evaluation of early pregnancy bleeding has a significant effect on care decisions and costs.
Level Of Evidence:
II-3.
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