AniMed: What is BPH- Benign Prostatic Hyperplasia br br Benign prostatic hyperplasia (BPH), also called benign enlargement of the prostate (BEP), adenofibromyomatous hyperplasia and benign prostatic hypertrophy (technically incorrect usage), is a benign increase in size of the prostate. br br Visit our Website: br Http:www.nanook.co.