My cousin who is the same age as me douches regularly, and I tried it once. JUST ONCE. That was before I knew what it could do to you. It's been about 4/5 months since then, and nothing has changed. My BMI is extremely low, and my last period was around 3 months prior to when i douched once. I didn't douche with anything toxic, and I'm also a virgin.. am i okay? will doing it just once hurt me? everything went back to normal?