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J Clin Ultrasound. 1996 Sep;24(7):351-4.

Transvaginal ultrasonographic measurements of endometrial thickness: a reproducibility study.

Author information

1
Department of Obstetrics and Gynecology 1B, Tel Aviv Medical Center, Serlin Maternity Hospital, Israel.

Abstract

OBJECTIVE:

The study was undertaken to assess the reproducibility of endometrial thickness measurements by transvaginal ultrasonography (TVS).

METHODS:

In a prospective blind study, two examiners measured the endometrial thickness of 25 patients by TVS on two separate occasions 30 minutes apart.

RESULTS:

The reliability test performed for each examiner was statistically less significant for the intra-observer variation of each observer (r = 0.95 and r = 0.93), than between both examiners (r = 0.85). Although there was no statistically significant difference between the observations, the mean range of observations was 2.12 + 1.27 mm.

CONCLUSIONS:

A safety margin of error should be taken into consideration while recommending a cutoff under which no curettage is needed.

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