OXT and hypohidrotic ectodermal dysplasia: Reports of longer labor and lower circulating endogenous oxytocin levels among women with EDA compared to women without EDA attribute these effects to a block of parasympathetic fiber mediated oxytocin release, known as the Ferguson reflex (Flint et al., 1978; Rahm et al., 2002; Anim-Somuah et al., 2018).