Partial placenta Previa

Hey momas. So the ones of you who have had partial placenta previa, when did you go in for your c section? I was told by my doctor that I will be scheduled before I go in labor on my own but then today she says a week before due date. I usually go in labor on my own around 37 38 weeks. I never made it to 39 with either baby. I’m scared because they said it could be fatal for me and baby and I’m trying to get a timeline of when I could be going in so I can get things in order. I’m currently 32/33 weeks pregnant right now. And that’s another issue my reg ob and high risk doc are giving me two different due dates and I’m really confused on why they won’t just stick to one.