Maternal or umblical venous levels of nitrite/nitrate during pregnancy and at delivery.


OBJECTIVE This study was intended to measure serum concentrations of nitrite plus nitrate as an index of nitric oxide synthesis, in the maternal vein during pregnancy, just after a spontaneous delivery and at the puerperium, and at an elective cesarean section, and in the umblical vein and artery. METHODS Maternal venous sera, and umblical venous and… (More)