Hello, i am currently 16, and im starting to get sexually active. The other day, i felt a big hard lump that sort of felt like a bone on the top part of my vagina. This was the first time i have felt inside my vagina, and the bump made it hard to put my fingers inside. I don't know if this is normal, and im afraid that if i do decide to have sex, then the penis won't be able to make it in. Any comments on what this might be?