C/U ratio

Estimated fetal weight (gm)

T

p

Normal (n = 28)

Oligohydramnios

(n = 12)

Before

Min. - Max.

0.09 - 2.13

0.40 - 1.36

1.656

0.106

Mean ± SD.

1.14 ± 0.40

0.93 ± 0.27

Median

1.14

0.91

After

Min. - Max.

0.11 - 2.25

0.62 - 1.88

1.141

0.261

Mean ± SD.

1.27 ± 0.39

1.12 ± 0.34

Median

1.22

1.04

p1

0.013*

0.008*

% of change

U = 129.000

0.250

Mean ± SD.

14.81 ± 20.36

23.18 ± 22.88