Things can change in a day or hours for that matter. My 1st I had no signs til I was awaken out of my sleep & went into labor. Also try squats, walking & stretching. If you have a birthing ball they are great to do on there. It not only helps induce labor, but prep ur body for labor as well.
I know this may be TMI but have and orgasm daily and stimulate your nipples, its sets of a hormone. Google it, I'm not very good at explaining things lol. Also try eating dates , drinking raspberry leaf tea and dont have hot baths (I read somewhere that it stops labor coming on) but dont hold me to it. I hope I helped hun :)