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Oral Treatment of Oligozoospermia with Testosterone‐Undecanoate: Results of a Double‐Blind‐Placebo‐Controlled Trial/Orale Behandlung der Oligozoospermie mit Testosteronundecanoat: Ergebnisse einer Plazebokontrollierten Doppelblindstudie

Summary: 30 patients with normogonadotrophic oligozoospermia from 1–20 mill/ml (group A) and 30 men with a sperm density from 210–40,0 mill/ml (group B) from the andrologic laboratory of the University Clinic for Gynecology and Obstetrics, Graz, Austria were treated with a 120 mg testosteron‐undecanoate per os for 100 days. One randomized half of the patients received a placebo in a double blind manner. Conventional spermograms were supplemented by extended morphologic analysis and motility determinations by laser‐Doppler‐spectroscopy.