Journal
BEST PRACTICE & RESEARCH IN CLINICAL OBSTETRICS & GYNAECOLOGY
Volume 23, Issue 4, Pages 501-508Publisher
BAILLIERE TINDALL
DOI: 10.1016/j.bpobgyn.2008.12.010
Keywords
ectopic pregnancy; pregnancy of unknown location (PUL); transvaginal ultrasound (TVS); serum human chorionic gonadotrophin (hCG)
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Transvaginal sonography (TVS) is now the imaging modality of choice for the diagnosis of ectopic pregnancy with overall reported sensitivities of > 90%. Specific sonographic criteria exist for the diagnosis of tubal and non-tubal pregnancies including cervical and caesarean section scar pregnancies. Diagnosis is based oil the visualization of an ectopic mass rather than the inability to visualize an intra-uterine pregnancy. This chapter discusses the specific criteria used for the diagnosis of ectopic pregnancy and examines the literature assessing the accuracy of ultrasound as a diagnostic tool. (c) 2009 Elsevier Ltd. All rights reserved.
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