You should take a class if your planning to go natural. Know your options, keep an open mind and discuss with your provider. Here are just a few options:
Breathing, relaxation techniques, walking, rocking, hydrotherapy.
Imagery, hypnosis, natural, doula (labor coach)
Aromatherapy, massage. Birthing ball.
IV medications. Local anesthesia, nitrous, epidural.
Support person familiar with your plan.