GRB10 and fetal growth restriction: A previous study reported the results of methylation analysis for 11 imprinted loci (PLAGL1, IGF2R, PEG10, MEST1, GRB10, KCNQ1OT1, H19, IGF2P0, DLK1, PEG3, and NESPAS) in 79 patients with growth restriction who were classified into 4 clinical referral categories, namely, SRS, intrauterine growth restriction (IUGR), short stature (SS), and IUGR and SS (15).