Clinical rationale for cryopreservation of entire embryo cohorts in lieu of fresh transfer  

Oleh:

Shapiro, Bruce S. ; Daneshmand, Said T. ; Garner, Forest C. ; Aguirre, Martha ; Hudson, Cynthia

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 102 no. 01 (Jul. 2014), page 3–9.
Topik: In vitro fertilization; embryo cryopreservation; frozen embryo transfer; ovarian stimulation; perinatal risk

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2014.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Recent dramatic increases in success rates with frozen–thawed embryo transfer (FET) are encouraging, as are numerous findings of several reduced risks with FET when compared with fresh transfer. These reduced risks include low birth weight and prematurity, among others. However, FET is also associated with increased risks of macrosomia and large for gestational age. There have been reports of greater implantation and pregnancy rates with FET than with fresh autologous embryo transfer, suggesting superior endometrial receptivity in the absence of ovarian stimulation. As cryo-technology evolves, there is potential for further increase in FET success rates, but for now it may be best to follow an individualized approach, balancing fresh transfer and embryo cohort cryopreservation options while considering patient characteristics, cycle parameters, and clinic success rates.

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