GFAP and hydrops fetalis: 146 HF patientsAge: 63.8 ± 10.8 yearsGender: 22 (15.1%) females/124 (84.9%) males-36 Serum glial fibrillary acidic protein (GFAP) < 165 pg/ml-36 GFAP = 165 to 244.9 pg/ml-38 GFAP = 245 to 383.9 pg/ml-36 GFAP ≥384 pg/ml