Prenatal diagnosis ofde novo t(2;18;14)(q33.1;q12.2;q31.2), dup(5)(q34q34), del(7)(p21.1p21.1), and del(10)(q25.3q25.3) and a review of the prenatally ascertainedde novo apparently balanced complex and multiple chromosomal rearrangements

Abstract excerpt

OBJECTIVES: To present the prenatal diagnosis of a de novo complex chromosomal rearrangement (CCR) associated with de novo interstitial deletions and duplication and to review the literature. CASE AND METHODS: Amniocentesis was performed at 18 weeks' gestation because of an increased risk for Down syndrome based on maternal serum alpha-fetoprotein and human chorionic gonadotrophin screening. Amniocentesis...

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