Bottom of Belly Button

My belly button has always resembled a little hole that I couldn't see very far into. Over that past couple of months it has transformed into a slightly bigger hole and now has a "floor". The baby's home, my uterus, has expanded from an inch below my belly button to about 2 inches above, so it makes sense that it would be pushing whatever makes an innie into an outie. I thought that I would not like this change, but it's fun to look at my bb everyday to see if it looks different.