<sod >I think there is a gradation of the risk which we can give.< eod>< sod > "I dont think there is a gradation of the risk which we can give. "I don't feel we should be worrying these women too much when not every foetus will be affected, we don't know what the proportion is but we know it is probably low looking at the numbers so I think there are various reassurances we can give, but what we shouldn't do is give reassurances about the evidence.< eod>