M.M.
If you absolutely want a normal vaginal birth - you have higher chances of achieving that end if you go to a Midwife, preferably at a stand along Birthing Center that is not OB or Hospital affiliated.
If you want invasive drugs or a cesarean - OB is the way to go.
***ADDED***
In America - if you go to an OB, you have a 1 out of 3 (30-36%) chances of a cesarean. If you go to a Midwife, the chances go down to UNDER 5-8%.