Informed Consent Services directors will provide written authorization to participate in this study. Individual birth attendants will receive an information sheet describing the objectives of the study and including the name and phone number of the study coordinator. Birth attendants will also be invited to participate in the training workshops. Women will be invited to participate upon admission to the hospital (or during prenatal care when possible) and, if they agree to participate, will provide written informed consent to their birth attendant. The birth attendant will then be required to disclose to the patient all of the facts about the nature of the trial, interventions under comparison, the risks involved, available alternatives and their risk, and reasonable expectations for the treatment outcome. This study was submitted to the Institutional Review Board of the School of Medicine, University of Uruguay for approval and the Institutional Review Board of Tulane University . The PI and co-PI have attended training sessions on the protection of human subjects and have been certified by the Institutional Review Boards at their institutions. The coordinator and research assistant invited to participate in this study will be asked to complete an on-line training session on protection of human subjects.