What is natural childbirth? Any discussion of this topic requires a definition of the terms used, because sometimes any vaginal birth, no matter how many interventions are employed, is considered a natural birth. For purposes of this article, natural birth is birth without the use of obstetrical drugs and interventions (these are drugs and procedures used during labor and birth). A woman choosing natural birth relies on non-drug pain relief, relaxation, emotional support, movement during labor and her own inner resources.