Aspirin fails pregnancy test

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The Independent Online
THE LARGEST study of the effects of low dose aspirin on pregnant women shows it has failed to make its expected impact on a common and dangerous complication of pregnancy, writes Celia Hall.

Pre-eclampsia can threaten the life of the mother and her baby, causing very high blood pressure, swelling and kidney damage. It affects more than 50,000 pregnant women a year in Britain. Small studies had suggested that very low dose aspirin might reduce cases by half.

But a study of 9,364 women in 16 countries, reported in tomorrow's Lancet, shows low dose aspirin only reduces the risk of pre-eclampsia by about 25 per cent, with no clear benefit to the baby. The researchers conclude aspirin might still be useful for women who get the symptoms early in pregnancy.