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Related Experiment Videos

Fetal doses from radiological examinations.

E K Osei1, K Faulkner

  • 1Regional Medical Physics Department, Newcastle General Hospital, Newcastle Upon Tyne, UK.

The British Journal of Radiology
|January 7, 2000
PubMed
Summary

Pregnant women undergoing X-rays of the lower abdomen/pelvis can receive significant radiation doses to the embryo/fetus. This study estimated fetal radiation exposure from radiological exams, revealing dose variability based on the procedure.

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Area of Science:

  • Medical Imaging
  • Radiation Protection
  • Obstetrics

Background:

  • Growing concern exists regarding radiation exposure to pregnant women during radiological examinations of the lower abdomen and pelvis.
  • Embryo/fetus proximity to or inclusion in the X-ray field during these procedures is a key concern.

Purpose of the Study:

  • To retrospectively estimate fetal radiation doses for pregnant women who underwent radiological examinations.
  • To assess the range of radiation absorbed doses to the embryo/fetus based on examination type.

Main Methods:

  • Retrospective study of 50 pregnant women over 10 years.
  • Fetal dose estimation using technique factors and examination details.
  • Normalized uterine doses from the National Radiological Protection Board (NRPB) were utilized.

Main Results:

  • Fetal doses varied widely, from less than 0.01 microGy to 117 mGy.
  • The gestational ages of the included pregnancies ranged from 2 to 24 weeks.
  • Most women were unaware of their pregnancy at the time of the radiological examination.

Conclusions:

  • Radiological examinations of the lower abdomen and pelvis can result in a broad spectrum of fetal radiation doses.
  • Accurate dose estimation is crucial for advising pregnant women on potential risks following inadvertent exposure during pregnancy.

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