13 citations
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  January 2019   in “Endocrine journal”    Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.  
     
           October 2022   in “Endocrine journal”    Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.  
               5 citations
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  December 2021   in “Pediatric investigation”    Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.  
     
           January 2023   in “The Annals of african surgery”    Hormone treatment before hypospadias surgery can increase penis size and reduce surgery complications.  
     
           4 citations
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  December 2014   in “PubMed”    Pre-operative hormone treatment for hypospadias surgery might improve outcomes, but more research is needed to confirm.