ALDH7A1 and fetal growth restriction: The fetal body weights in the PEE and PDE groups were reduced to 85.9% and 82.1% compared to the control group (P < 0.05, P < 0.01; Fig. 3e), and the IUGR rates were increased from 4.7% (control) to 71.1% and 90.4%, respectively (P < 0.01; Fig. 3f).