To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
9
2
4
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Definitions
Failed first trimester pregnancy refers to collection of specific diagnoses that are nonviable
Avoids confusion and simplifies terminology
Anembryonic pregnancy (AP): Failure of embryo to develop or early demise with resorption of embryonic pole (a.k.a. "blighted ovum," less favored term)
Embryonic demise (ED): Embryo ≥ 7 mm in length with no heartbeat
Spontaneous abortion: Involuntary pregnancy loss in 1st 20 weeks; may be inevitable, incomplete, or complete
Missed abortion: General term for ED or AP; latter terms are more accurate and preferred
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Doubilet PM: Ultrasound evaluation of the first trimester. Radiol Clin North Am. 52(6):1191-9, 2014
Doubilet PM et al: Diagnostic criteria for nonviable pregnancy early in the first trimester. N Engl J Med. 369(15):1443-51, 2013
Lane BF et al: ACR appropriateness Criteria® first trimester bleeding. Ultrasound Q. 29(2):91-6, 2013
Salamanca A et al: Early embryonic morphology sonographically assessed and its correlation with yolk sac in missed abortion. Arch Gynecol Obstet. 287(1):139-42, 2013
Abdallah Y et al: Limitations of current definitions of miscarriage using mean gestational sac diameter and crown-rump length measurements: a multicenter observational study. Ultrasound Obstet Gynecol. 38(5):497-502, 2011
Jeve Y et al: Accuracy of first-trimester ultrasound in the diagnosis of early embryonic demise: a systematic review. Ultrasound Obstet Gynecol. 38(5):489-96, 2011
Papaioannou GI et al: Ultrasonographic prediction of early miscarriage. Hum Reprod. 26(7):1685-92, 2011
Tan S et al: Irregular yolk sac shape: is it really associated with an increased risk of spontaneous abortion? J Ultrasound Med. 30(1):31-6, 2011
Related Anatomy
Loading...
Related Differential Diagnoses
Loading...
References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Definitions
Failed first trimester pregnancy refers to collection of specific diagnoses that are nonviable
Avoids confusion and simplifies terminology
Anembryonic pregnancy (AP): Failure of embryo to develop or early demise with resorption of embryonic pole (a.k.a. "blighted ovum," less favored term)
Embryonic demise (ED): Embryo ≥ 7 mm in length with no heartbeat
Spontaneous abortion: Involuntary pregnancy loss in 1st 20 weeks; may be inevitable, incomplete, or complete
Missed abortion: General term for ED or AP; latter terms are more accurate and preferred
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Doubilet PM: Ultrasound evaluation of the first trimester. Radiol Clin North Am. 52(6):1191-9, 2014
Doubilet PM et al: Diagnostic criteria for nonviable pregnancy early in the first trimester. N Engl J Med. 369(15):1443-51, 2013
Lane BF et al: ACR appropriateness Criteria® first trimester bleeding. Ultrasound Q. 29(2):91-6, 2013
Salamanca A et al: Early embryonic morphology sonographically assessed and its correlation with yolk sac in missed abortion. Arch Gynecol Obstet. 287(1):139-42, 2013
Abdallah Y et al: Limitations of current definitions of miscarriage using mean gestational sac diameter and crown-rump length measurements: a multicenter observational study. Ultrasound Obstet Gynecol. 38(5):497-502, 2011
Jeve Y et al: Accuracy of first-trimester ultrasound in the diagnosis of early embryonic demise: a systematic review. Ultrasound Obstet Gynecol. 38(5):489-96, 2011
Papaioannou GI et al: Ultrasonographic prediction of early miscarriage. Hum Reprod. 26(7):1685-92, 2011
Tan S et al: Irregular yolk sac shape: is it really associated with an increased risk of spontaneous abortion? J Ultrasound Med. 30(1):31-6, 2011
STATdx includes over 200,000 searchable images, including x-ray, CT, MR and ultrasound images. To access all images, please log in or subscribe.