When a laboring person is caught in an intense cycle of pain and fear, their nervous system enters a severe 'fight-or-flight' state. This floods the body with adrenaline and cortisol, which actively inhibits the brain's natural release of oxytocin. Once the epidural is placed, the nervous system instantly drops into 'rest and digest.' Your body relaxes, your pelvic floor softens, and your natural hormonal loops can finally work to your advantage, often rapidly advancing dilat