Paula right on sporting dilemma

Paula Radcliffe is right to have weighed in on the debate as to whether women born as men can compete in women’s races if they switch sexes.

She rightly says the higher levels of testosterone in people born male will give them an advantage, and this should be taken into account. This is not to slight anyone transgender; it is just applying scientific logic. J. McLean, Manchester Because transgendering is a new dimension, it will take time to acclimatise to the changes. In sport, fairness and equality will form part of the equation to ensure those born to a gender are not disadvantaged in the fields they have chosen when lining up against a transgender competitor. Denis Bruce, Glasgow