I don't have ME/CFS, but I do suffer from arthritis and fatigue is a very big part of the symptoms.
DD is one year old now. I was offered a caesarian by a rather ignorant Obgyn, who didn't really understand my condition... I refused.
Anyway. Let me tell you about the birth.
For one thing I think the amount of pain you are certainly keeps you alert, yet you kind of go inside yourself as part of the process (you are not really aware of the passing of time, etc).
I managed the dilation part OK with just gas and air. When it came to the pushing part I managed 2 hours absolutely fine. The midwife however wall constantly telling me that I "wasn't doing a good job" of it. Maybe to get me angry and make me push even harder? Anyway, it was fairly useless... and if she had examined me properly she would have known why. My DD was in the wrong position; not breach, but back-to-back and you can push as much as you like, but are unlikely to get anywhere. After the 2 hours I was exhausted and they finally cottoned onto the fact that DD was in the wrong position. Cue assisted delivery with forceps and ventouse, plus an absolute LOVELY epidural which worked a treat. Aaaahhhh!
Do have a go at VB if thats what you want. Obstetricians are often more concerned with their liability than your wants / capabilities. Remember, it is YOUR choice.
If you do run into trouble you can have an emergency C section, or the assisted delivery.
Have you been round your local hospital's delivery suite? Have you discussed epidurals etc with your Obgyn?
DO make a BIRTH PLAN!!! I didn't, since I had lots of appointments, even with the anaesthetist beforehand and assumed the midwife would read the notes. I was far too in labour to speak much by the time I was in the delivery room and the silly witch didn't bother reading anything in my notes, apart from the word "arthritis". Certainly didn't read the part where I had said I would jolly well like an epidural if the pain got rough and it was a long labour.... didn't get one until going into theatre for the assisted delivery.
Wishing you the best of luck. Remember whatever happens there is NOTHING like the joy of holding your little baby, however they are born.
Charlotte
www.disabledparentsnetwork.org.uk