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. 2012 Jun 27;303(4):R368–R375. doi: 10.1152/ajpregu.00490.2011

Fig. 2.

Fig. 2.

Comparison of myogenic tone in myometrial arteries from pregnant vs. nonpregnant women. Myogenic tone in arteries from pregnant women (■, n = 12) was greater than in arteries from nonpregnant women (●, n = 10) across all values of intraluminal pressures (P < 0.001) and specifically at ≥40 mmHg (***P < 0.001 **P < 0.01). Letters signify values that differ in the MA from pregnant women at the designated pressures at P < 0.05. Data were analyzed by ANOVA repeated measures where pregnancy status was the between-subjects factor and pressure was the repeated factor.