I was having real contractions 4-5 minutes apart and couldn't feel them when I went in for my induction. They had to slow them down before starting me on the stuff to dilate me. So it's very possible!!
My MIL didn't know she was in labor. Got to the dr and was ready to push!!!!
some people just don't feel them even though u still have them. I felt nothing with my first till I was a ten.