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The IVF outcome counseling based on the model combining DHEAS and age in patients with low AMH prior to the first cycle of GnRH antagonist protocol of ovarian stimulation

Objective was to investigate the endocrine and/or clinical characteristics of women with low anti-Müllerian hormone (AMH) that could improve the accuracy of IVF outcome prediction based on the female age alone prior to the first GnRH antagonist IVF cycle. Medical records of 129 patients with low AMH level (<6.5 pmol/L) who underwent their first GnRH antagonist ovarian stimulation protocol for IVF/ICSI were retrospectively analyzed. The main outcome measure was the area under the ROC curve (AUC-ROC) for the models combining age and other potential predictive factors for the clinical pregnancy. Clinical pregnancy rate per initiated cycles (CPR) was 11.6%. For the prediction of clinical pregnancy, DHEAS and age showed AUC-ROC of 0.726 (95%CI 0.641-0.801) and 0.662 (95%CI 0.573-0.743), respectively (P=0.522). The predictive accuracy of the model combining age and DHEAS (AUC-ROC 0.796 ; 95%CI 0.716-0.862) was significantly higher compared to that of age alone (P=0.013). In patients <37.5 years with DHEAS >5.7 pmol/L, 60% (9/15) of all pregnancies were achieved with CPR of 37.5%. DHEAS appears to be predictive for clinical pregnancy in younger women (<37.5 years) with low AMH after the first GnRH antagonist IVF cycle. Therefore, DHEAS-age model could refine the pretreatment counseling on pregnancy prospects following IVF.

DHEAS; GnRH antagonist; clinical pregnancy; anti-Müllerian hormone

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