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Related Experiment Videos

The cervical smear test: does timing have an effect on sample adequacy?

S Davies1

  • 1Departments of Cytology, Hereford County Hospital, Union Walk, Hereford, UK. sharon.davies@hhtr.nhs.uk

Cytopathology : Official Journal of the British Society for Clinical Cytology
|August 2, 2006
PubMed
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The timing of cervical smear tests does not impact sample adequacy. This study found no specific phase of the menstrual cycle is optimal for collecting cervical samples, suggesting timing is irrelevant for reducing inadequate smear rates.

Area of Science:

  • Gynecologic pathology
  • Cervical cancer screening

Background:

  • Cervical smear adequacy is crucial for accurate Papanicolaou (Pap) test results.
  • Previous assumptions suggested cycle timing might influence sample quality.

Purpose of the Study:

  • To investigate the effect of the menstrual cycle phase on cervical smear sample adequacy.
  • To determine if specific timing could reduce inadequate smear rates.

Main Methods:

  • Retrospective analysis of inadequate and negative cervical smears from pre-menopausal women.
  • Categorization of inadequate smears by reason and recording of sample collection timing.
  • Comparison of observed smear frequency by cycle phase against expected frequencies using chi-squared tests.

Main Results:

Related Experiment Videos

  • No statistically significant difference was found in the rates of inadequate cervical smears across different phases of the menstrual cycle.
  • This lack of difference was consistent across all analyzed general practitioner practices, including those with the lowest and highest inadequate rates.

Conclusions:

  • The timing of cervical smear collection does not affect sample adequacy.
  • Cycle phase is not a relevant factor in reducing inadequate smear rates.
  • Restricting cervical smear collection to mid-cycle is unnecessary and not supported by evidence.