Cited by 14Reproductive System and PregnancyPrenatal Screening and DiagnosticsReproductive Health and Contraception

Prediction of abortion using three‐dimensional ultrasound volumetry of the gestational sac and the amniotic sac in threatened abortion

Odeh, Marwan, Ophir, Ella, Grinin, Vitaly, Tendler, Rene, Kais, Mohamad, Bornstein, Jacob·2012·Journal of Clinical Ultrasound

Abstract

Purpose.: To determine whether gestational sac volume (GSV) or amniotic sac volume (ASV) and/or the difference between them can predict abortion in women with first‐trimester threatened abortion. Methods.: Ninety patients between 6 and 12 weeks of gestation presenting with vaginal bleeding were studied. Seventy‐six delivered after 24 weeks of gestation (group A) and 14 aborted before 20 weeks of gestation (group B). All patients had a singleton viable pregnancy demonstrated by transvaginal ultrasound. Gestational sac and amniotic sac volumes were measured in all the patients using three‐dimensional transvaginal ultrasound with Virtual Organ Computer‐aided Analysis software, and the gestational sac volume − amniotic sac volume (GSV − ASV) was calculated. Results.: The groups did not differ in terms of age, parity, number of previous abortions, or term deliveries. The GSV (group A: mean 32.0 ± 27.7 cm 3; group B: 26.7 ± 29.1 cm 3) and the ASV (group A: 21.1 ± 25.5 cm 3; group B: 20.6 ± 26.0 cm 3) were not statistically different, while the GSV − ASV was significantly smaller in group B (aborting before week 20) (group A: 10.9 ± 10.9 cm 3; group B: 6.1 ± 8.6 cm 3; p < 0.05). Using receiver operator curves, the area under the curve for predicting normal pregnancy outcome of the GSV − ASV measurement was 0.654. When the GSV − ASV was 1.8 cm 3 or less, abortion was predicted with 84% sensitivity and 43% specificity. Conclusions.: The measurement of the GSV and the ASV are not good predictors of abortion in patients with first‐trimester vaginal bleeding, whereas the use of the GSV − ASV may be helpful in predicting the outcome of pregnancy. © 2012 Wiley Periodicals, Inc. J Clin Ultrasound 40:389–393, 2012

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Crossref · 10.1002/jcu.21957

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Authors
Odeh, M., Ophir, E., Grinin, V., Tendler, R., Kais, M., & Bornstein, J.
Affiliations
  • Bar-Ilan University (IL)
  • Western Galilee Hospital (IL)
Corresponding author
Odeh, Marwan
Venue
Journal of Clinical Ultrasound
Publisher
Wiley
Published
2012-07-14
Volume
40
Issue
7
Pages
389-393
ISSN
  • 0091-2751 (ISSN-L)
  • 1097-0096
OpenAlex
W2152418042
Cited by
14
References
20
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2022: 4 · 2021: 1 · 2017: 2 · 2016: 1 · 2015: 1 · 2014: 1
FWCI
0.28
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Clinical Ultrasound (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Screening and Diagnostics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Reproductive Health and Contraception
Keywords
threatened abortion, gestational sac volume, first-trimester bleeding, pregnancy outcome prediction, transvaginal ultrasound, virtual organ computer-aided analysis
MeSH terms
Abortion, Spontaneous, Abortion, Threatened, Adolescent, Adult, Amnion, Female, Gestational Age, Humans, Middle Aged, Organ Size, Pregnancy, Pregnancy Trimester, First, ROC Curve, Sensitivity and Specificity, Ultrasonography, Prenatal, Young Adult, Gestational Sac

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