RT Book, Section A1 Harel, Tamar A1 Lupski, James R. A1 Lalani, Seema R. A2 Kline, Mark W. SR Print(0) ID 1182930576 T1 Chromosomal and Genomic Disorders T2 Rudolph's Pediatrics, 23e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259588594 LK accesspediatrics.mhmedical.com/content.aspx?aid=1182930576 RD 2024/04/24 AB Chromosomal disorders can be classified into numerical and structural abnormalities of the chromosomes and are frequently encountered in clinical practice. They account for the majority of spontaneous abortions in the first trimester of pregnancy and are a major cause of congenital malformations, intellectual disability, and neurodevelopmental disorders.