<prompt> Appropriate material for antenatal diagnosis of genetic disorders includes all of the following except:Fetal bloodAmniotic fluidChorionic villiMaternal urine  <response>: PROCEDURES FOR EARLY DETECTION OF FETAL GENETIC ,CHROMOSOMAL AND STRUCTURAL ABNORMALITIES Maternal serum alpha feto protein MSAFP Fetal cell isolation from maternal blood--genetic analysis from isolated fetal nucleated red blood cells or trophoblast cells Cell free fetal DNA from maternal blood Chorion villus biopsy High resolution ultrasonography for nuchal thickening, nasal bone Triple test combined test: MSAFP, Unconjugated estriol E3 and hCG. Quadruple test: MSAFP, UE3, hCG, Inhibit-A Integrated test: NT, PAPP-A hCG. Cordocentesis Fetoscopy Peri-implantation genetic diagnosis 3D or 4D ultrasound with increased resolution Reference: Duttas Textbook of obstetrics 7th edition page no 493 