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  • Title: Preimplantation genetic diagnosis for BRCA1/2--a novel clinical experience.
    Author: Sagi M, Weinberg N, Eilat A, Aizenman E, Werner M, Girsh E, Siminovsky Y, Abeliovich D, Peretz T, Simon A, Laufer N.
    Journal: Prenat Diagn; 2009 May; 29(5):508-13. PubMed ID: 19248143.
    Abstract:
    OBJECTIVE: To describe our 2-year experience with preimplantation genetic diagnosis (PGD) for carriers of mutations in the genes BRCA1 and BRCA2, the dilemmas incurred and the lessons learned. METHODS: We collected data on those carriers of BRCA1/2 mutations who applied for PGD counseling and who decided to proceed. We describe the PGD procedures that were conducted and their outcome. RESULTS: Ten carriers of BRCA1/2 mutations applied for PGD counseling, seven were healthy, and three were BC survivors. Eight women needed in vitro fertilization (IVF) because of coexisting infertility. After counseling, six opted for the procedure and five of them underwent PGD for the BRCA mutation. In one of these PGD, fluorescence in situ hybridization (FISH) analysis for chromosomes 21, X and Y was also performed. Three women conceived, each in the first treatment attempt. One of them gave birth to twins, the second to a singleton and the third is currently pregnant. During the pregnancies, dilemmas concerning PGD confirmation were discussed. CONCLUSIONS: PGD is an acceptable reproductive option for BRCA mutation carriers, especially for those who require IVF due to fertility problems. Discussion of this option should be carried out with sensitivity, taking into account the age of the woman, her health, fertility status and emotional state. Confirmatory prenatal diagnosis may not always be encouraged.
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