Hi I Have A Itching Vagina Feeling Dry On A

Hi I have a itching vagina feeling dry on a burning sensation it started on Thursday night until now ,at the beginning I thought it was yeast infection, I got myself vaginal cream over the counter and a pregnancy test, whenever I had yeast infection I was pregnant, the pregnancy test came back negative, I started to have my period with the infection on Saturday night and I can tell you it was hell..my period lasted for two days that's unusual for me , usually my period lasts for five days minimum and maximum seven days ,my period was light red no clots in it , and now I still have the vaginal infection ...am I pregnant was that implemetion bleeding , is this yeast infection what's going on help ???