Greenough A, Nicolaides K H, Lagercrantz H
Department of Child Health, King's College Hospital, London, U.K.
Early Hum Dev. 1990 Jun;23(1):9-13. doi: 10.1016/0378-3782(90)90124-2.
A reference range of fetal noradrenaline levels related to gestational age was calculated from 27 normal pregnancies between 16 and 36 weeks of gestation. Growth retarded, hypoxic fetuses had significantly elevated noradrenaline levels (P less than 0.01).