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Pregnancy after trophectoderm biopsy of frozen-thawed blastocyst FERTILITY AND STERILITY Lathi, R. B., Behr, B. 2009; 91 (5): 1938-1940

Abstract

To report a case of a successful pregnancy after trophectoderm biopsy and three-probe fluorescent in situ hybridization of a frozen blastocyst.Techniques and instrumentation.A University Medical Center.Infertility patient desiring trophectoderm biopsy on frozen blastocyst for preimplantation testing, from an IVF cycle at a referring IVF program.Frozen blastocysts were thawed the evening before the planned transfer. Trophectoderm biopsy was performed in the morning. The fluorescent in situ hybridization results were obtained the same day; embryo transfer was performed under ultrasound guidance.Serum betahCG and transvaginal ultrasound.Positive betahCG and ongoing pregnancy.Trophectoderm biopsy can be used as a means for testing frozen blastocysts in patients with excess embryos cryopreserved on day 5 or 6 from previously preformed IVF cycles.

View details for DOI 10.1016/j.fertnstert.2008.02.132

View details for Web of Science ID 000265969200055

View details for PubMedID 18371958