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Published online 29 January 2003 | Nature | doi:10.1038/news030127-5
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Radiotherapy blow to fertility underestimated
Eggs twice as sensitive to cancer-treating radiation.
Women's eggs may be twice as vulnerable to radiotherapy as doctors had thought, warn cancer experts.
In a preliminary study the team estimate that two units of radiation (called grays) can wipe out half of a woman's future eggs, compared with previous estimates of four grays.
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