What am I feeling?

Anna
40 weeks and due date today!! 
Throughout the night I had lower back pain and little in front pelvic area and After about an hour I wake up this morning with a little bit of Pink/reddish on my pad. Could these be real contractions or what? This is my first I have no idea what to expect and have only has one episode of cramps/ Braxton hicks way back 4 weeks ago.