After discovering that they were expecting their first baby, mark and maxine began looking for ways in which they could prepare for the birth. maxine was insistent that she did not want to be heavily medicated during the delivery. the couple agreed that they would prefer learning certain self-regulatory behaviors rather than relying on medications to make the birth easier. in order to do so, they enrolled in classes that coached them extensively in the physiology and anatomy of the birth process. they also learned to practice a special breathing technique to control pushing in the final stages of labor. with this knowledge and mark's support and encouragement, maxine was able to deliver a healthy full-term baby without any medical or surgical interventions. from this scenario, we can say that mark and maxine opted for a(n) _____ in order to have their baby.