I also have had two inductions (medically required) and 1 naturally begun labour. I would also never recommend an induction unless medically necessary! From my experience the Ob does very little like a few people have said. It's the midwives that you depend on. There are risks that come with inductions that don't come with natural labour. I'm surprised your OB hasn't gone into those risks (actually no I'm not, they rarely do). Ask him if there is an increased risk of having a c-section when induced... he will probably squirm... but there is.

It sounds like you have had a trouble free pregnancy so far... if it's not broke don't try and "fix" it

BellyBelly has lots of very informative articles... check them out Goodluck!