“…In several studies [1,9,11] increases in uterine blood flow were reported while other studies [2,3,4,6,7,8,10,12] showed no changes or even decreases in flow after betaadrenergic drug infusion. Part of these differences might be explained by the fact that different betasympathomimetic drugs were used, but more important seems the site of flow measurement in the pelvic vascular bed.…”