In the past few weeks I have regularly been getting a smelly discharge. It doesn't hurt at all but it is staining my underwear and even going through to my jeans. It is quite smelly and embarassing. I have made sure I only wear cotton underwear but it hasn't helped. It started happening at the same time as I moved from the UK to Australia so I wondered if change in environment could effect it or if it is likely BV? Please help.