0. GENETIC ABNORMALITIES & SYNDROMES – OVERVIEW
๐ Suspected Genetic Syndrome on Ultrasound
๐ Multiple Congenital Anomalies (MCA)
๐ Isolated Soft Markers
๐ Syndromic vs Non-Syndromic Pattern
1. CHROMOSOMAL ANEUPLOIDY SYNDROMES
๐ Down Syndrome (Trisomy 21)
๐ Edwards Syndrome (Trisomy 18)
๐ Patau Syndrome (Trisomy 13)
๐ Turner Syndrome (45,X)
๐ Klinefelter Syndrome (47,XXY)
๐ Triploidy
2. NT / FIRST-TRIMESTER–ASSOCIATED SYNDROMES
๐ Noonan Syndrome
๐ DiGeorge Syndrome (22q11.2 Deletion)
๐ Smith–Lemli–Opitz Syndrome
๐ Cornelia de Lange Syndrome
๐ Skeletal Dysplasia–Related Syndromes
3. CNS & NEURAL TUBE–RELATED SYNDROMES
๐ Dandy–Walker Syndrome
๐ Arnold–Chiari II (Spina Bifida)
๐ Holoprosencephaly Syndromes
๐ Agenesis of Corpus Callosum (Syndromic)
๐ Lissencephaly–Associated Syndromes
4. CARDIAC SYNDROMES
๐ Holt–Oram Syndrome
๐ Ellis–van Creveld Syndrome
๐ Alagille Syndrome
๐ Ivemark Syndrome (Heterotaxy)
๐ CHARGE Syndrome
5. FACIAL / CRANIOFACIAL SYNDROMES
๐ Pierre Robin Sequence
๐ Treacher Collins Syndrome
๐ Goldenhar Syndrome
๐ Binder Syndrome
6. SKELETAL DYSPLASIA SYNDROMES
๐ Thanatophoric Dysplasia
๐ Achondroplasia
๐ Osteogenesis Imperfecta
๐ Campomelic Dysplasia
๐ Short Rib–Polydactyly Syndrome
7. ABDOMINAL / GI SYNDROMES
๐ Beckwith–Wiedemann Syndrome
๐ VACTERL Association
๐ Meconium Peritonitis (Syndromic)
8. RENAL / GENITOURINARY SYNDROMES
๐ Potter Sequence
๐ Fraser Syndrome
๐ Meckel–Gruber Syndrome
9. MULTISYSTEM / RARE GENETIC SYNDROMES
๐ Bardet–Biedl Syndrome
๐ Joubert Syndrome
๐ Zellweger Syndrome
๐ Russell–Silver Syndrome
๐ Prader–Willi Syndrome (Suspected)
10. TWIN & PLACENTAL SYNDROMES
๐ Twin–Twin Transfusion Syndrome (TTTS)
๐ Twin Anemia–Polycythemia Sequence (TAPS)
๐ TRAP Sequence (Acardiac Twin)
๐ Conjoined Twin Syndrome
11. GENETIC TESTING & COUNSELING
๐ NIPT / cfDNA Screening
๐ Invasive Testing (CVS / Amniocentesis)
๐ Karyotype / Microarray
๐ Whole Exome Sequencing (WES)
๐ Genetic Counseling Recommended
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