Honestly I went through the same thing. I was super concerned about getting pregnant even though I’m a perfect user. I’ve been having condomless sex for about a year now (as well as be a perfect user) and I’ve never had a pregnancy scare. Any symptoms I thought I had were just nerves. It is ultimately up to you whether or not you want to have condomless sex or not! The nerves that accompany the condomless sex can be annoying but really it’s about trusting your pill and being a perfect user (which is detailed in your pamphlet!).