Joint symbolic dynamics identifies differences in the maternal-fetal cardiac coupling between nonlaboring and laboring women. - Carla Andrea Tepichín-Castro; Claudia Ivette Ledesma-Ramírez; Miguel Ángel Peña-Castillo; Gustavo Pacheco-López; Juan Carlos Echeverría; José Javier Reyes-Lagos (Biomed. Signal Process. Control., 2021)