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Rigshospitalet - a part of Copenhagen University Hospital
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Clinical, genetic, biochemical, and testicular biopsy findings among 1,213 men evaluated for infertility

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OBJECTIVE: To study the pathologic findings among men evaluated for infertility.

DESIGN: A retrospective, single-center, cross-sectional study.

SETTING: University hospital-based research center.

PARTICIPANT(S): We included data from 1,213 medical records from infertile men referred for diagnostic work-up from 2005 to 2009.

INTERVENTIONS(S): None.

MAIN OUTCOME MEASURE(S): Health history, clinical findings, chromosome/genetic aberrations, semen quality, reproductive hormones.

RESULT(S): In total, 64.4% of the infertile men had one or more reproductive disorders or factors influencing fertility, leaving 35.6% diagnosed as idiopathic infertile. In 244 patients (20%), including seven cases of testicular cancer and/or germ cell neoplasia in situ, a pathologic finding was first detected during diagnostic work-up. Two hundred four patients (16.8%) had a history of cryptorchidism and 154 (12.7%) of varicocele (grade 2 and 3). Thirty-three patients had chromosomal abnormalities, including 16 with sex chromosome abnormalities (11 with 47,XXY). Y-chromosome microdeletions were detected in 65 patients (5.4%). One hundred thirty-three had azoospermia, of which 58 had testicular biopsy findings (Sertoli cell-only syndrome: n = 23; spermatogenic arrest: n = 7; impaired spermatogenesis and atrophy: n = 28). Additionally, in idiopathic infertile men and infertile men with additional symptoms of testicular dysgenesis syndrome, 22.5% presented with a degree of Leydig cell insufficiency, with the highest frequency (33.1%) among patients with sperm concentration <5 million/mL.

CONCLUSION(S): We report pathologic findings that could explain the male-factor infertility in two-thirds of infertile men referred to our center. Thus, male infertility may be a sign of an underlying disease that warrants attention.

Original languageEnglish
JournalFertility and Sterility
Volume107
Issue number1
Pages (from-to)74-82
ISSN0015-0282
DOIs
Publication statusPublished - 2017

ID: 49277453