My labour was horrific. Nothing that the nurses or midwives did wrong, so I am not blaming them

I had horrible sciatica during my pregnancy. When I went into labour I started getting a bad pain in my spine (no it wasn't back labour, even though I did have back labour). The pain in my spine got worse and the epi did nothing to get rid of it. It was constant pain, not coming and going like contractions. Towards the end of my labour I could barely move, the pain was so bad in my spine. I didn't complain once about the labour, but I did about the pain in my spine LOL, that's how bad it was. They made me lay on the bed and get my child out of me because I couldn't feel the urge to push and my son had been stuck for over 3 hours. Still the pain persisted all through this. Finally they got my son out of me and immediately gave me some kind of shot in my thigh which helped with my back.
The ladies were trying so hard to get rid of the pain in my spine. They said they had never seen such a thing before. And basically I was just left to labour with this pain.
So I continued to have problems with sciatica on and off for over 2 years after being pregnant until finally one day when I adjusted my sitting position and the worse pain in my life went shooting down my left leg. It then became numb and I was having constant pins and needles. I couldn't walk properly for almost three months and spent five months off work on sairasloma.
So I got an MRI done on my spine. It showed that I have an 'isompi välilevy' (large prolapsed disc). As soon as my doctor at work saw what I had I was sent to the top specialist for this medical company that my workplace uses.
It was determined that I have too wide a space between my vertabrae and that this would have happened whether I had a child or not, just not till I was much older. Apparently my son was pushing on my spine and caused the problem to start earlier than when it should have. The pain during labour was caused by my son's fat head (he has a huge head! LOL) pushing on the disc.
I've been told that I will always have this problem. The specialist told me that if I am to have another child that I need to request a c-section. The spine surgeon (can't remember the offical name) also advised me to do the same.
The prolapsed disc is very large. Half way out of my spine already and it will probably get worse if I get pregnant again. The risk of miscarrying is higher when you have this large a prolapsed disc the specialist told me.
Do you think that I'll be able to have a c-section if I do have another child? My husband and I want to have another one. I can't go through the labour again with this. I am in pain almost everyday because of it. Not so bad anymore and it's mostly only in my back, so it's ok. When the pain goes down into my leg, then it's alot worse and I worry.
I know here in Finland that it's very hard to get a c-section. I think it's the right attitude to have. Too many other countries do them too easily nowadays.
Sorry, it's a long winded story. I am just worried about this and I get long winded when I am worried about something LOL.