I was ten days over and booked for induction - which I was notified of by voicemail at 5.30pm the day before. By the time I got the message the OB was unavailable and I couldn't discuss it with him, so in a panic I called the hospital and the midwives said "we can't do it if you're not here". So I didn't turn up, called the doctor and said I just wanted to wait a few more days. As it happened this was a Friday and the following Monday was fully booked so he just laughed and said "we'll play it by ear". I went into labour on 40+11 but ctx stopped when I got to the hospital so I still had ARM & drips, but had a normal delivery.
HTH