I'm on OrthoTricyclen Lo, too, and have never had that problem when I'm good about taking my pills on time, which means taking them in the morning right after brushing my teeth. It's way easier to remember than at night.

But look into the ring or an IUD. IUDs are supposedly way better (safer) now than they used to be, and they last 5 - 10 years. And it's less invasive than going permanent (and depending on how old you are, it might be hard to find a doctor who will actually tie your tubes. Mine wouldn't do it before I was 35 in case I changed my mind. ).