Over the last month, every time I have sex, I've had an excessive amount of brown, watery discharge. At first I thought it was left over blood from my period but I don't think it would last this long. My last period ended a week ago, but when I had sex this morning it was still happening. The weird thing is this only happens when I have sex. I have no discharge at all when I'm not engaging in intercourse. My urine looks normal. The discharge doesn't even look like blood it just looks like a light brown color, and not very think at all. im not experiencing any pain....anyone know what this could mean?