Successful Elective and Medically Indicated Oocyte Vitrification and Warming for Autologous In Vitro Fertilization, with Predicted Birth Probabilities for Fertility Preservation According to Number of Cryopreserved Oocytes and Age at Retrieval  

Oleh:

Doyle, Joseph O. ; Richter, Kevin S. ; Lim, Joshua ; Stillman, Robert J. ; Graham, James R. ; Tucker, Michael J.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 105 no. 02 (Feb. 2016), page 459–466.
Topik: Autologous Oocyte Vitrification; Fertility Preservation; Live Birth; Warming
Fulltext: F02 v105 n2 p459 kelik2016.pdf (469.77KB)

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective: To evaluate a single treatment center's experience with autologous IVF using vitrified and warmed oocytes, including fertilization, embryonic development, pregnancy, and birth outcomes, and to estimate the likelihood of live birth of at least one, two, or three children according to the number of mature oocytes cryopreserved by elective fertility preservation patients. Design: Retrospective cohort study. Setting: Private practice clinic. Patient(s): Women undergoing autologous IVF treatment using vitrified and warmed oocytes. Indications for oocyte vitrification included elective fertility preservation, desire to limit the number of oocytes inseminated and embryos created, and lack of available sperm on the day of oocyte retrieval. Intervention(s): Oocyte vitrification, warming, and subsequent IVF treatment. Main Outcome Measure(s): Post-warming survival, fertilization, implantation, clinical pregnancy, and live birth rates. Result(s): A total of 1,283 vitrified oocytes were warmed for 128 autologous IVF treatment cycles. Postthaw survival, fertilization, implantation, and birth rates were all comparable for the different oocyte cryopreservation indications; fertilization rates were also comparable to fresh autologous intracytoplasmic sperm injection cycles (70% vs. 72%). Implantation rates per embryo transferred (43% vs. 35%) and clinical pregnancy rates per transfer (57% vs. 44%) were significantly higher with vitrified–warmed compared with fresh oocytes. However, there was no statistically significant difference in live birth/ongoing pregnancy (39% vs. 35%). The overall vitrified–warmed oocyte to live born child efficiency was 6.4%. Conclusion(s): Treatment outcomes using autologous oocyte vitrification and warming are as good as cycles using fresh oocytes. These results are especially reassuring for infertile patients who must cryopreserve oocytes owing to unavailability of sperm or who wish to limit the number of oocytes inseminated. Age-associated estimates of oocyte to live-born child efficiencies are particularly useful in providing more explicit expectations regarding potential births for elective oocyte cryopreservation.

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