Is the modified natural in vitro fertilization cycle justified in patients with “genuine” poor response to controlled ovarian hyperstimulation?  

Oleh:

Kedem, Alon ; Tsur, Abraham ; Haas, Jigal ; Yerushalmi, Gil M. ; Hourvitz, Ariel

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 101 no. 06 (Jun. 2014), page 1624–1628.
Topik: Modified natural cycle; IVF; poor response

Ketersediaan

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

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Isi artikel

Objective To examine whether patients with poor ovarian response (POR) during conventional IVF/intracytoplasmic sperm injection (ICSI) treatment cycle may benefit from a modified natural cycle (MNC)-IVF. Design Cohort historic study. Setting Tertiary, university-affiliated medical center. Patient(s) One hundred eleven patients with POR, defined according to the Bologna criteria, who underwent a subsequent MNC-IVF within 3 months of the previous failed conventional IVF/ICSI cycle. The elimination of bias in this selection, for the purposes of this study, was achieved by including only a subgroup of “genuine” poor responder patients, those who yielded up to three oocytes after controlled ovarian hyperstimulation (COH) with a minimal gonadotropin daily dose of 300 IU. Intervention(s) Modified natural cycle IVF protocol with GnRH antagonist (GnRH-a) supplementation. Gonadotropin-releasing hormone antagonist treatment was started when a follicle of 13 mm was present. Two to three ampules of hMG were coadministered daily during the GnRH-a treatment. Main Outcome Measure(s) Live birth rate, pregnancy rate (PR), number of oocytes retrieved, and number of embryos transferred. Result(s) Live birth rate in “genuine” poor ovarian responders was <1%. Furthermore, in the subgroup of patients with POR who underwent a previous conventional IVF/ICSI cycle with a yield of only one oocyte, no pregnancies were achieved during the MNC-IVF cycle. Conclusion(s) Modified natural cycle-IVF is of no benefit for genuine poor ovarian responders and the option of egg donation should be seriously considered for this population.

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