The correlation between levator ani co-activation and fetal head regression on maternal pushing at term.
Aly YoussefElena BrunelliMarta FiorentiniGianluigi PiluAhmed El-BalatPublished 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 (2022)
In nulliparous women at term before the onset of labor fetal head regression and LAM co-activation at Valsalva are two distinct phenomena that uncommonly coexist.