I am currently on depro-provera and am on my third round. Recently, the last three times I've had sex (all three times around one month apart), I've bled during sex. It's never been painful, but it's quite annoying. The first time was light bleeding, the second time was more, and this last time I only noticed the bleeding when I wiped after using the bathroom. After the second time I went to the doctor and got tested for STDs and was told that I was clean and had nothing wrong with me. Now, after 2 months of not having sex, I started bleeding again. What is wrong with me?