Membranes bulging???

I am 31 weeks pregnant with my baby boy, and getting induced at 39 weeks. I’m not really sure how to put this or what my question is. But for the past six or so hours I’ve felt like baby boy is really really low, likes he’s moved lower in the past few hours for sure. I haven’t had any contractions or any pain etc. well I was kinda kneeling down just going through the nursery things and I felt something weird in my vagina (probably tmi but oh well) anywho so I stuck my finger in a little bit to feel and I could feel something, I’m not sure how to describe it but it felt like something was bulging. Super soft and kind of round maybe?? Idk, but I do know that I haven’t felt that before.

So my first thought was oh god I can feel him, and then I started thinking there is no way. I barley even stuck my finger in to feel and it just didn’t feel like a head or anything would. So I started looking things up, and read something about membranes bulging?? Not exactly sure what that is. I read a little on it but still confused. So I guess my question is, has anyone experienced anything like this before or have any idea what it could be? Could it possibly sound like early labor, or maybe it’s nothing to worry about? Or if it is my membranes bulging or whatever.. what exactly does that mean? LOL thank you! I plan on calling the hospital tomorrow if I still feel this way, but I also feel like maybe I’m over reacting.