There is a trend to offer personalized care in many medical domains. In the field of labor pain, it appears that maternal satisfaction about care is multifactorial, and that labor pain is only one of its determinants, competing with psychological and sociological factors. Furthermore, labor pain is also multifactorial, depending on predisposition to pain, the way analgesia is conducted, and other environmental factors. We wish to develop predicting models of maternal satisfaction, in order to offer in the future a better tailored analgesia.