HI there,

My very first client had a very similar story to you with her first labour, posterior, large baby, long labour resulting in C/S.

For the second, she chose a great caregiver, hired a doula ( even though I was a student at the time) and went on to birth a 10lb baby.

He was actually posterior as well, and she had ventouse delivery, but did it all with just gas. She was amazing and admitted that she totally exceeded her own expectations.

Goodluck with your birth.