1. Pre-, i.e. at the systematic visit for anesthesia, during the 3rd trimester of pregnancy. The collected variables will be: demographic, morphometric, socioeconomic, psychometric. The latter shall consist in a short questionnaire-based assessment by: Hospital Anxiety and Depression Scale, 5-points Mental Health Inventory, Life Orientation Scale. As soon as it will be validated, a Pain Sensitivity Questionnaire shall be added.