KLF4 and fetal growth restriction: Although no differences were found between the twins born from IUGR/AGA (SGA + AGA) and AGA/AGA (AGA + AGA) pregnancies regarding the expression of ANGPT2, LEP, KLF4 and GLIS3, the profiles of the CEBPA (CCAAT/enhancer-binding protein alpha) and FABP4 genes differed.