My mum has been getting her periods literally every 4 days. We did a blood test report and it said that her cancer antigen was a bit high like just above the borderline. When we went to the specialist they said that there is something and the operation wouldn't be for months as it isn't that important. But after this her periods started getting worse, like every 4 days. My mum also had an operation last year for polyps removal, is it that? The doctor said the ovaries aaren't also the same size. So we don't know what to do but what is the reason?