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Endometrial biopsy in DUB

S J Ash1, S A Farrell, G Flowerdew

  • 1Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada.

The Journal of Reproductive Medicine
|December 1, 1996
PubMed
Summary
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Menstrual cycle irregularity is a key indicator for abnormal endometrial histology in women with dysfunctional uterine bleeding (DUB), warranting biopsy regardless of age. This finding helps reduce unnecessary procedures.

Area of Science:

  • Gynecology
  • Reproductive Health
  • Oncology

Background:

  • Dysfunctional uterine bleeding (DUB) affects many women, necessitating accurate diagnostic methods.
  • Endometrial cancer risk assessment in DUB patients is crucial for timely intervention.

Purpose of the Study:

  • To determine the incidence of abnormal endometrial histology in women with DUB.
  • To evaluate the predictive value of risk factors for endometrial cancer in DUB patients.

Main Methods:

  • Retrospective review of 310 women with DUB undergoing endometrial biopsy.
  • Analysis of risk factors including menstrual cycle irregularity, diabetes, nulliparity, hypertension, weight, and age.
  • Stepwise logistic regression to assess the predictive value of risk factor combinations.

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Main Results:

  • Abnormal endometrial histology was found in 6.7% of patients (21/310).
  • Significant risk factors for abnormal histology included menstrual cycle irregularity (P=.0001), age ≥ 40 (P=.022), and hypertension (P=.058).
  • Menstrual cycle irregularity increased the probability of abnormal histology to 14.3% from <1% in women with regular cycles.

Conclusions:

  • Endometrial biopsy is recommended for DUB patients with menstrual cycle irregularity, irrespective of age.
  • Relying solely on age (≥ 40 years) for biopsy decisions in DUB is not supported by the data.
  • Improved patient selection for endometrial biopsy can minimize unnecessary procedures and associated risks.