Effect of infertility, maternal age, and number of previous miscarriages on the outcome of preimplantation genetic diagnosis for idiopathic recurrent pregnancy loss  

Oleh:

Garrisi, John G. ; Colls, Pere ; Ferry, Kathleen M. ; Xhezong, Zheng ; Garrisi, Margarett G. ; Munne, Santiago

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 92 no. 01 (Jul. 2009), page 288-295.
Topik: FISH; PGD; recurrent miscarriage; idiopathic RPL; infertility

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2009.03 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective : To determine whether preimplantation genetic diagnosis (PGD) would decrease spontaneous abortion rates in patients with idiopathic recurrent pregnancy loss (RPL). Design : Controlled clinical study. Setting : IVF center and PGD reference laboratory. Patient(s) : Patients with RPL with no known etiology. Intervention(s) : Preimplantation genetic diagnosis by fluorescence in situ hybridization analyzing nine chromosomes. Main Outcome Measure(s) : The spontaneous abortion rate after PGD was compared to the patients' own expected risk of abortion. Patients were evaluated according to the number of previous losses, fertility, and maternal age. Result(s) : Preimplantation genetic diagnosis significantly reduced spontaneous abortions in patients with RPL, especially for patients with more than two previous losses (12.8% vs. 35.9% expected). The PGD significantly reduced the rate of spontaneous abortion in both fertile (15.2% vs. 33.8% expected) and infertile patients (13.0% vs. 29.5%), which also achieved similar delivery rates (37% and 34%, respectively). The beneficial effect of PGD was less pronounced in patients <35 years than in patients =35 years old (13.6% vs. 34.0% expected). Overall, the PGD reduced the miscarriage rate to a similar baseline of 14%–16% across all maternal ages. Conclusion(s) : Preimplantation genetic diagnosis improves pregnancy outcome for women with idiopathic RPL, especially those with more than two previous losses, and >35 years of age, and that improvement is not affected by fertility status.

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