Reviewed by Emily Henderson, B.Sc.Nov 4 2020 Cesarean section delivery and vaginal delivery lead to different hormonal exposures that may affect a newborn's development, according to an article published in the Journal of Neuroendocrinology. The article notes that levels of each of the 'birth signaling hormones'—oxytocin, arginine vasopressin, epinephrine, norepinephrine, and the glucocorticoids—are lower following