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. Author manuscript; available in PMC: 2013 Sep 15.
Published in final edited form as: Biol Psychiatry. 2012 Jun 12;72(6):483–490. doi: 10.1016/j.biopsych.2012.05.006

Table 4.

Summary of Uterine Blood Flow (UBF) Measurements

Resistance Index1 Pulsatility Index2
Umbilical Artery Uterine Arteries Umbilical Artery Uterine Arteries
Left Artery Right Artery Sum Max Left Artery Right Artery Sum Max
(n) 90 101 100 100 100 72 76 76 74 74
Min 0.41 0.19 0.11 0.37 0.19 0.01 0.04 0.11 0.45 0.25
Mean 0.69 0.46 0.43 0.88 0.52 0.99 0.68 0.65 1.33 0.85
SD 0.31 0.13 0.17 0.23 0.16 0.26 0.31 0.38 0.51 0.36
Max 3.00 0.74 1.33 1.92 1.33 1.81 1.41 1.83 2.61 1.83
1

For the resistance index, data were missing for n = 0–11 participants.

2

For the pulsatility index, data were missing for n = 25–28 participants.