Regardless of these shortcomings, this retrospective analysis still revealed that sFlt-1/PlGF, PlGF, PlGF%, and sFlt-1, especially sFlt-1/PlGF and PlGF%, have the potential in predicting low birth weight and small-for-gestational age neonates in pregnancy with or without preeclampsia. This evidence concerns the gene PGF and preeclampsia.