Inclusion Criteria:  Patients scheduled for cesarean section under spinal anesthesia Patients ASA I and II according to The ASA Physical Status Classification System  Exclusion Criteria:  intervention under general anesthesia  complication during the operation post-partum haemorrrhage pre-op anemia <9g / dl Patient under judicial protection (guardianship, curatorship...) or safeguard of justice. Patient unable to answer the questionnaires by telephone (not speaking French, hard of hearing, mute French language, hearing impaired, mute...) Any other reason that, in the opinion of the investigator, could interfere with the evaluation of the objectives of the study