<prompt> A man is given continuous testosterone.It would lead to:azoospermiaincreased sperm motilityincreased spermatogenesisincreased gonadotrophins  <response>: azoospermia Ref: Katzung Pharmacology 10e p675; Guyton 11e p1066; KDT 5e p2911 Replacement therapy in men may cause acne, sleep apnea, erythrocytosis, gynecomastia, and azoospermia. Supraphysiologic doses of androgens produce azoospermia and decrease in testicular size, both of which may take months to recover after cessation of therapy. 