a method that prepares a mother for natural childbirth; the pregnant woman (in classes and at home) practices (usually with the help of a coach) and learns about the physiology of childbirth and techniques of relaxation, concentration, and breathing

自然分娩に備えるための方法。妊婦は（クラスや自宅で）練習し（通常はコーチの助けを借りて）、出産の生理学やリラクゼーション、集中、呼吸の技術を学ぶ。