Previous post partum haemorrage and c section, is vaginal birth an option instead?

Not recommended. Controversy over vaginal birth after c-section has gone from one end of the spectrum (no) to the other (sometimes) . Your OB can determine if you are a candidate for vaginal birth after c-section and if you are your delivery will be very closely monitored and preparation for c-section will be in place in case you need it. The surgical team will be nearby throughout your labor and delivery.