Serum inhibin B during controlled ovarian hyperstimulation: an additional criterion for deciding whether to proceed with egg retrieval  

Oleh:

Decanter, Christine ; Pigny, Pascal

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 91 no. 06 (Jun. 2009), page 2419-2425 .
Topik: Oocytes; dynamic inhibin B; poor responders; IVF outcome; ovarian response

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2009.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective To determine the predictive value of the inhibin B increment during controlled ovarian hyperstimulation (COH) for differentiating between poor and normal responders and for deciding whether to continue or stop an IVF attempt. Design Prospective study. Setting Assisted reproduction unit at a university hospital. Patient(s) A total of 110 women undergoing IVF for idiopathic, tubal, and/or male infertility. Intervention(s) Blood samples were collected on days 6 and 8 of COH. Inhibin B and E2 assays were performed. Main Outcomes Measure(s) The degree of inhibin B increment was defined as ?IB = day-8 value minus day-6 value. We analyzed the correlation of day-6 and day-8 inhibin B values and ?IB with the number of oocytes retrieved. The predictive value of each parameter was determined by using the receiving operator characteristics curve analysis. Result(s) The ?IB correlated best with the number of oocytes retrieved (r = 0.5) and with the number of embryos obtained (r = 0.26), independently of age. From the receiving operator characteristics curve analysis, a ?IB cutoff value of 300 pg/mL discriminated poor (few than four oocytes retrieved, n = 16) from normal (more than four oocytes retrieved, n = 94) responders, with a sensitivity of 70% and a specificity of 94%. Conclusion(s) The degree of inhibin B increment during COH provides additional information for predicting ovarian response to COH. An increment >300 pg/mL is required to rule out the eventuality of a poor ovarian response.

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