Table 2

Choroidal thickness measurements (mean±SD in μm) of healthy pregnant women in the first and the third trimesters (n=27) and the control group (n=25)

Control groupRight eyesLeft eyes
First trimesterThird trimesterp Value*Control groupFirst trimesterThird trimesterp Value*
N3269.92±52.47292.15±76.33282.15±74.430.020264.84±46.61288.56±68.44273.78±74.610.001
N2292.32±53.24319.81±77.87307.33±73.500.027286.40±48.44321.11±72.96303.89±71.320.001
N1308.88±48.01340.00±76.54327.15±68.070.044297.44±48.21337.85±79.24322.33±71.100.001
SF318.88±53.13349.22±82.11333.56±76.610.014310.60±51.09341.30±85.22326.93±75.840.024
T1311.24±55.14339.33±78.83317.74±75.23<0.001307.64±50.27329.07±92.17311.78±80.660.012
T2300.44±55.52321.15±76.14307.00±73.420.027294.92±52.94315.93±86.81295.81±74.120.001
T3282.88±56.47297.81±71.41284.30±68.360.003274.84±50.39301.74±80.56282.22±76.66<0.001
  • *Significant difference between the first and third trimesters.

  • N1, choroidal thickness at 500 μm nasal to the fovea; N2, choroidal thickness at 1000 μm nasal to the fovea; N3, choroidal thickness at 1500 μm nasal to the fovea; SF, choroidal thickness at fovea; T1, choroidal thickness at 500 μm temporal to the fovea; T2, choroidal thickness at 1000 μm temporal to the fovea; T3, choroidal thickness at 1500 μm temporal to the fovea.