I agree with most of the others - it’s helpful to a degree but doesn’t change reality. State of mind can help you feel in control but doesn’t change your body and birth circumstances.
Baby 1 - 38 hour Labour, pain made me vomit, got dehydrated, into hospital for a drip, awful midwife made me push for two hours but I wasn’t fully dilated (anterior lip?!) so nothing happened, she kept telling me I was pushing wrong, consultant called, problem identified, I was exhausted and clearly had a long way to go, midwife replaced, asked for an epidural, epidural put in the wrong place so only worked on half my body which was so much worse than pain all over as I was now flat on my back, attempt at ventouse, failed, forceps delivery, 12 People in the room all being hideously patronising, include baby recuss team - honestly, after about hour 8, no amount of hypobirthing could have helped me because it ceased be to about my body and my baby and was only about what the medical staff decided.
Baby 2 - home birth, in a pool in my house, dark, calm, in the zone, with two wonderful midwives who were only focused on me, still 15 hour Labour as my cervix is tilted (though only found this out because I talked to the nurses during my smear tests), had a wee bit of gas and air in the final stages, natural delivery on my sofa in my living room
Hypobirthing helped me to sleep during both pregnancies, but if I had to say what the factors were that made my second birth better:
My body understood the pain and so it wasn’t such a shock
DP felt in control so could help me with everything (and he ate, and drank, and didn’t panic which he did first time)
I said where, how and who would be at the birth
I knew that I could say no to medical professionals, I understood they there are other factors other than risk to me or the baby which influence their behaviour
I knew my midwives, home birth team of four, I met all of them, I had a chance to request notes from first delivery and talk through them, we made contingency plans - not a birth plan, I.e. if I’m sick again and need a drip, I would go into hospital but could then come home again when rehydrated
Midwives were fantastic people who had chosen to be on the home birth team and really made it happen
I had a tens machine for the first part of Labour until I got in to pool - I don’t think it actually helped with the pain, but it really helped with control - I pressed a button and the tingling sensation ‘pushed back’ at the pain so my body didn’t have to and I relaxed more.
I know a big part of hypobirthing is focusing on the fact that your body is capable and things will go well, so insulting yourself from negative birth stories, but I think that wasn’t helpful to me, NCT, Ina May Gaskin paint these dream scenarios so I was so shocked that I couldn’t control the pain, I think that made it worse. And afterwards, I spent years feeling inadequate and like I had failed.
I don’t know if that helps at all