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Should a pregnancy test be required before scuba diving?
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    Should a pregnancy test be required before scuba diving?

    In this letter the authors observe "a significant difference the rate of offspring malformations between women who dive (6 children affected), and those who did not dive during their pregnancy (none had malformation, p<0.01). A rate of zero malformations in the non-diving population should immediately have alerted the authors to the fact that their survey was biased. In the UK population there is an approximate rate of malformation of 1 in 80 live births and I would think that the rate is similar in France. Instead of using 0 for the malformations the authors should have used the rate observed in the French population. The conclusion of the paper that pregnancy testing should be undertaken before each scuba diving session is not supported by these data.

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    None declared.