You're able to sleep on your stomach as long as it's still comfortable for you. Once it gets uncomfortable, then you move to your left side as much as possible 🙂 that's what my OB told me when I asked. I'm a stomach sleeper too! Or at least I was when I was still able to! Lol.
yes you can sleep on your stomach baby will let you know when he or she isn't fine with it anymore. I'm 29 weeks and sleep on mine, ask your doctor his or her thoughts:)