For example, after treatment with FSH and hCG, it was reported that 50% of men with HH and azoospermia at baseline had a sperm concentration ≥ 1.5 x 106/ml at 9 months (18), 64.3% at 12 months (19) and from 63.2% (20) to 80% (21) at 18 months. The gene discussed is BRD2; the disease is Azoospermia.