hypnobirthing?

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Hello ladies,
I'm currently 26 weeks pregnant with my second daughter and super excited yet nervous. I was interested in hypnobirthing and was wondering if anyone has any experience with it? I had a long unmedicated natural birth (after threatened with forceps, vacuum and c section because it was taking so long and ended with a second degree tear) with my first and hoping for a more pleasant experience this time around.
Thanks in Advance for any information.