Notice: Users may be experiencing issues with displaying some pages on stanfordhealthcare.org. We are working closely with our technical teams to resolve the issue as quickly as possible. Thank you for your patience.
 

Learn about the flu shot, COVID-19 vaccine, and our masking policy »

Stanford Health Care

Normal pregnancy after tetraploid karyotype on trophectoderm biopsy FERTILITY AND STERILITY Krieg, S. A., Lathi, R. B., Behr, B., Westphal, L. M. 2009; 92 (3)

Abstract

To report a case of successful pregnancy after trophectoderm biopsy and fluorescence in situ hybridization (FISH) revealed a tetraploid karyotype.Case report.A university medical center.An infertility patient desiring trophectoderm biopsy on frozen blastocysts to facilitate preimplantation genetic screening.Frozen blastocysts were thawed on the evening before transfer. Trophectoderm biopsy was performed the following morning. FISH results were available the same day, and two embryos with tetraploid results were transferred.Chorionic villus sample (CVS) and newborn exam.Normal diploid CVS result and a healthy male infant.Although multiple cells can be analyzed using trophectoderm biopsy, abnormalities in the trophectoderm may not be present in the inner cell mass.

View details for DOI 10.1016/j.fertnstert.2009.06.007

View details for Web of Science ID 000283282700007

View details for PubMedID 19608167