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Values are mean ± SEM for uterine artery PI (A) and the change from baseline in uterine vascular resistance (B) and in arterial blood pressure (C). Groups are N (○,n=5-9), H (●,n=5-7). Significant differences (P<0.05) are *N vs. H, or † vs baseline; Student’s t-test for unpaired data or two-way RM-ANOVA, where appropriate.
