PIGF and preeclampsia: For preeclampsia is commonly accompanied by preterm birth which further results in low birth weight or small-for-gestational age neonates, so to figure out the impact of neonatal birth weight on maternal PIGF and sFlt-1 in preeclampsia, Group B was further divided into two subgroups according to whether or not having a small-for-gestational age and/or low birth weight neonate.