Table 7.

Expression of AQP1, AQP3, AQP8 and AQP9 protein in human placenta and foetal membranes in normal amniotic groups and oligohydramnios groups by immunohistochemistry (mean ± SD)

Parameters	Cases	AQP1 (%)	AQP3 (%)	AQP8 (%)	AQP9 (%)
Placenta
Normal	15	87.2 ± 23.1	72.3 ± 11.3	90.1 ± 21.2	88.2 ± 90.1
Oligohydramnios	15	56.2 ± 14.2*	54.2 ± 19.4*	88.2 ± 15.4	14.2 ± 1.34*
Foetal membranes
Normal	15	89.2 ± 20.1	86.2 ± 13.4	98.2 ± 13.3	92.1 ± 6.12
Oligohydramnios	15	60.2 ± 18.3*	78.2 ± 22.4	90.1 ± 21.4	11.9 ± 1.14*

Data were analysed by ANOVA. *P < 0.05. vs normal amniotic group

SD, standard deviation; ANOVA, analysis of variance