Not sure what to do need some advice

Bethany • 💖❤Mommy of beautiful 2yr old baby boy an now pregnant with a baby girl an baby #2💖❤

So like i am having contractions already and i am not due until the 5th of March but my contractions are still too far apart but i feel like my baby girl will be born sometime this week and the nurse at the hospital told me to walk more and so does my doctor but i am also still not dilated at all and this is my second baby