When using an OBGYN, sometimes they may get called to a delivery. Be patient! Next she could be closing her doors to deliver YOUR baby, and you would want her to do so! If this is an issue, I suggest using a doctor who no longer does pregnancy. I currently use Dr. Murphy (my first pregnancy) and they have been wonderful! Comparing my care to other pregnant woman I know, they are much more advanced and on top of the ball than other doctors.