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Objective: To estimate the relationship between hormonal parameters of diminished ovarian reserve and the incidence of aneuploid blastocysts., Methods: This prospective cohort trial was performed in a private in vitro fertilization clinic. Three hundred seventy-two patients underwent in vitro fertilization with blastocyst biopsy and aneuploidy screening of all 23 chromosome pairs. Patients were divided into groups based on baseline hormonal ovarian reserve. Group 1 included normal ovarian reserve (n=279) and group 2 included diminished ovarian reserve with day 2 or 3 follicle-stimulating hormone (FSH) more than 10 milli-international units/mL, antimüllerian hormone 1 ng/mL or less (n=93), or both. Patients with diminished ovarian reserves were further subdivided into three groups. Group A included FSH more than 10 milli-international units and antimüllerian hormone 1 ng/mL or less (n=25); group B included FSH more than 10 milli-international units/mL and antimüllerian hormone more than 1 ng/mL (n=34); and group C included antimüllerian hormone 1 ng/mL or less and day 3 FSH less than 10 milli-international units/L (n=34)., Results: Group 2 (diminished ovarian reserve) had a higher percentage of aneuploid blastocysts (66% compared with 51.7%; P<.05) and all aneuploid blastocyst cycles (35.1% compared with 14.3%; P<.001) than group 1 (normal ovarian reserve). However, implantation rates after transfer of euploid blastocysts were similar (69% compared with 61.7%; not significant). The highest percentage of aneuploid blastocysts among diminished ovarian reserve patients was in group A (abnormal FSH and antimüllerian hormone) compared with groups B and C (77.2% compared with 58.5% compared with 58.8%; P<.05). Implantation rates also were no different among the diminished ovarian reserve subgroups (68% compared with 71% compared with 66.7%; not significant)., Conclusions: Infertility patients with hormonal evidence of diminished ovarian reserve have a significantly higher percentage of aneuploid blastocysts. The combination of abnormal serum FSH and antimüllerian hormone correlated with the greatest rate of embryonic aneuploidy. Regardless of ovarian reserve parameters, transfer of euploid blastocysts resulted in equivalent implantation potential., Level of Evidence: II.

The combination of trophectoderm biopsy, blastocyst vitrification, and single-nucleotide polymorphism microarray-based technology for comprehensive chromosome screening results in high implantation and live birth rates that could contribute to the practical application of single embryo transfer for infertility patients., (Copyright © 2011 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.)

A letter to the editor is presented in response to the article "Association of Abnormal Ovarian Reserve Parameters With a Higher Incidence of Aneuploid Blastocysts," by M. G. Katz-Jaffe and colleagues in the 2013 issue, along with the authors' reply.