Dr. Yu does not force you to c-section or natural deliverly, he would advise you the best option toward the end of your pregnancy, i.e. depends on the size of your bb he will advise whether is possible to deliver naturally. My first bb was naturally delivered, and for the second bb (to be born March/05) I am also seeing Dr. Yu.
Dr Yu delivered my 2 kids - 1 via natural and the other via caesarian (because he was pre-mature and in a breech position). He is neutral to both methods but would advice a preferred method if he sees possible danger to the mother and the baby.
Have faith in him - he is an attentive doctor and takes no unnecessary risks during the delivery.