02.06.2013 Views

Health Risks of Ionizing Radiation: - Clark University

Health Risks of Ionizing Radiation: - Clark University

Health Risks of Ionizing Radiation: - Clark University

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

120 Preconception Exposures<br />

was collected by interview.<br />

Finally we should mention a study that was<br />

conducted in the early 1960s, before the Gardner<br />

hypothesis controversy (Graham et al. 1966). This<br />

case-control study was based in New York but<br />

included childhood leukemia cases from several<br />

metropolitan areas (Baltimore, Minneapolis-St.<br />

Paul, and all urban New York areas outside <strong>of</strong> New<br />

York City). This study was focused on diagnostic<br />

radiation (x-rays), and although x-ray histories<br />

were obtained by interview they were also validated<br />

by review <strong>of</strong> medical records. Leukemia risk was<br />

significantly increased with maternal preconception<br />

exposures (RR ~1.6 6 ), particularly in association with<br />

x-rays <strong>of</strong> the abdomen, pelvis, spine or femur (RR<br />

2.1, p

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!