Comparison of pregnancy outcomes in elective single blastocyst transfer versus double blastocyst transfer stratified by age  

Oleh:

Mullin, Christine M. ; Fino, M. Elizabeth ; Talebian, Sheeva

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 93 no. 06 (Apr. 2010), page 1837-1843.
Topik: Single blastocyst transfer; blastocyst; cryopreservation

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2010.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective To determine whether there is a difference in pregnancy outcomes, stratified by age, between women undergoing elective single blastocyst transfer (eSBT) versus those undergoing double blastocyst transfer (2BT). Design Retrospective analysis. Setting University IVF center. Patient(s) A total of 1,141 nondonor IVF cycles in women aged <40 years from January 2004–March 2007. Intervention(s) None. Main Outcome Measure(s) Eggs retrieved, embryos cryopreserved, implantation rates, clinical pregnancy rates (PR), live birth rates (LBR), spontaneous abortion rates (SAB). Result(s) Pregnancy outcomes in 52 cycles of women <40 years of age who underwent eSBT were compared with 1,086 cycles of women who underwent 2BT in fresh IVF cycles from January 2004–March 2007. Overall, the eSBT was associated with a statistically significant 92% reduction in the twinning rate (from 25%–2%) while maintaining a high clinical PR (63% in the eSBT group vs. 61% in the 2BT group). Conclusion(s) Women who are <40 years of age undergoing nondonor fresh IVF cycles can electively choose to transfer a single blastocyst for the purpose of significantly reducing their risk of multiples without compromising their PR.

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