Mean systolic blood pressures of each groups measured before and after endotoxin infusion.

<p>Data are expressed as mean ± SEM of the SBP (mmHg)(repeated measures analysis of variance). NP, non-pregnant rats; P, pregnant rats; PE, preeclamptic rats. SBP was measured on GDs 6, 11, 14, 15, and 18 in pregnant groups and on corresponding days in NP group. (a) <i>P</i><0.01, PE, PE-PTZ and PE-PTZ-Mg group on GDs 15 and 18, compared with NP and P group on the corresponding GDs and prior to the infusion of LPS on GD 14.