The entropy of RR intervals is associated to gestational age in full-term newborns with adequate weight for gestational age.
Deyse Costa PortoLarissa Silva SandeAna Carolina Bahia PerroneLudmilla Ferreira de Souza CamposDavid Lomanto CoutoJonas R D SilvaRafael da Silva PassosAlinne Alves OliveiraRafael PereiraPublished in: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians (2019)
Our results indicate that, even within a normal range of GA (≥37 a < 42 weeks) and birth weight, a longer intrauterine life allows a greater entropy of successive RR intervals, indicating a greater maturation of biological systems and adaptive capacity.