Thanks Hurdity, results weren't good and I have been diagnosed with breast cancer, something of a shock but I'm told it is still small and very early, so mammogram couldn't have come at a better time. Following a chat with my GP just before diagnosis I decided to stop the HRT, which he agreed with. First couple of days were fine but since then I've had an almost constant headache and light headedness. A few hot flushes but sleep ok, other than the worry of the 'C' word. Appetite not great but craving sweet stuff.
I had been on various HRTs for about 7 years, so maybe too long. I'm hoping these symptoms diminish with time.