hi   for about two months now i have had sore nipples due to the bumps around the nipples  the colour of the nipple has changed and the area around it. I'm not pregnant taken a test 2 days ago and split from my ex 3 mths ago i have had af in past 3 mths  which in sept it was a light period which last a week oct/nov only lasted 2 days when normally last 5 could there be anything else that causes this? going to doctors next week to get it checked out