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Am J Obstet Gynecol. 1995 Feb;172(2 Pt 1):547-52.

A prospective comparison of transvaginal ultrasonography and diagnostic hysteroscopy in the evaluation of patients with abnormal uterine bleeding: clinical implications.

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  • 1Department of Obstetrics and Gynecology, Spaarne Hospital, Haarlem, The Netherlands.



We determined the diagnostic value of transvaginal ultrasonography for endometrial and intrauterine abnormalities in patients with abnormal uterine bleeding.


Between June 1, 1992, and June 1, 1993, 279 consecutive patients underwent transvaginal ultrasonography. Findings were compared with the final diagnosis established by diagnostic hysteroscopy and histologic examination.


Transvaginal ultrasonography demonstrated a sensitivity of 0.96 and a specificity of 0.89. With a pretest probability (prevalence) of 0.42, this resulted in posttest probabilities of 0.03 in the case of a normal sonogram and 0.87 for an abnormal sonogram. The corresponding likelihood ratios were 0.04 and 9.09, respectively.


Transvaginal ultrasonography seems to be an effective procedure to exclude endometrial and intrauterine abnormalities. Its use could be implemented as a routine first-step procedure in patients with abnormal uterine bleeding, and it selects those in need of further diagnostic evaluation in the case of an abnormal or inconclusive sonogram.

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