A technique known as Lord’s procedure is increasingly used. It is postulated that there is a tight band of tissue, just inside the anal margin, forming part of the sphincter muscle which keeps the bowel opening closed. Under a deep but short-acting general anaesthetic, the surgeon distends the sphincter, disrupting this tight band. At the [...]

The periods may cease suddenly but this is unusual. More often, there is a reduction in the amount of bleeding and occasional periods are missed. The total change may take several months or even a year or two. Sometimes the reverse happens and the periods become heavier and more frequent, due to some associated disorder. [...]