Median

Range

95th percentile

Systolic Blood Pressure (mm Hg)

111

66 - 139

130

Diastolic Blood Pressure (mm Hg)

66

31 - 89

79

Gestational Age (weeks)

31

9 - 41

P/C ratio

0.07

0 - 2.236

0.196

P/C ratio in 1st trimester (n = 236)

0.045

0 - 0.723

0.100

P/C ratio in 2nd trimester (n = 1353)

0.060

0 - 2.236

0.157

P/C ratio in 3rd trimester (n = 2485)

0.076

0 - 2.075

0.195