Univ.-Prof. Dr. med. h.c. Eberhard Nieschlag FRCP is Doctor of internal medicine, endocrinology and andrology. Former director of the Institute for Reproductive Medicine, Emeritus at the Center for Reproductive Medicine and Andrology at the University Hospital Münster, Germany

Univ.-Prof. Dr. med. Hermann M. Behre is Chief and Director of the Center for Reproductive Medicine and Andrology, Center for Reproductive Medicine and Andrology, University Hospital Halle (Saale), Martin-Luther-University, Halle-Wittenberg, Germany. President of the German Society for Andrology (DGA); Deputy Chairman of the Board of the Reproductive Biology and Medicine Association (DVR)

Prof. Dr. med. Sabine Kliesch is Chief of the Centre of Reproductive Medicine and Andrology Department of Clinical and Operative Andrology, University Hospital Münster, Germany; Specialist in urology, andrology, drug tumor therapy, clinical andrologist of the European Academy of Andrology (EAA)

Susan Nieschlag M.A., Centre of Reproductive Medicine and Andrology, University of Münster, Münster, Germany

1. Scope and Goals of Andrology.- Part I. Physiologic Basis.- 2. Physiology of testicular function.- 3. Physiology of sperm maturation and fertilization.- Part II. Classification and Diagnosis of Andrological Disorders.- 4. Classification of andrological disorders.- 5. Anamnesis and Physical Examination.- 6. Ultrasound imaging in andrology.- 7. Endocrine Laboratory Diagnosis.- 8. Cytogenetic and molecular genetic diagnostics.- 9. Semen analysis.- 10. Sperm quality and sperm function tests.- 11. Biopsy and histology of the testis.- Part III. Clinics in Andrology: Secondary Hypogonadism.- 12. Congenital hypogonadotropic hypogonadism of hypothalamic origin.- 13. Congenital hypogonadotropic hypogonadism of pituitary origin and rare syndromes with central hypogonadism.- 14. Delayed puberty in boys.- 15. Pituitary hypogonadism, hyperprolactinemia, and gonadotropin-producing tumors.- Part IV. Clinics in Andrology: Primary Hypogonadism (Disorders at the Testicular Level) .- 16. Anorchia and Polyorchidism.- 17. Undescended testes.- 18. Varicocele.- 19. Orchitis.- 20. Disorders of spermatogenesis and spermiogenesis.- 21. Klinefelter syndrome.- 22. XX male and XYY karyotype.- 23 Structural chromosomal changes.- 24. Testicular tumors.- 25. Senescence and late-onset hypogonadism.- Part V. Clinics in Andrology: Diseases of Seminal Ducts and Accessory Sex Organs.- 26. Infections and inflammation of the seminal ducts and accessory sex glands.- 27. Obstructions of the seminal ducts, cystic fibrosis and congenital aplasia of the ductus deferens.- 28. Immunologically induced infertility.- 29. Andrologically relevant changes in the external genitals.- 30. Disorders of erection, cohabitation and ejaculation.- Part VI. Clinics in Andrology: Disorders of Sexual Differentiation and Androgen Target Organs.- 31. Variants of sex development.- 32. Gynecomastia.- 33. Male androgenetic alopecia.- Part VII. Clinics in Andrology: Disorders of Reproductive Health caused by Environmental and Systemic Diseases.- 34. Testicular dysfunction in systemic diseases.- 35. Environmental Influences on Male Reproductive Health.- Part VIII. Andrological Therapy.- 36. Therapy with testosterone.- 37. Abuse of anabolic androgenic steroids (AAS) for doping.- 38. Treatment of hypogonadism of hypothalamic or pituitary origin.- 39. Therapeutic attempts in idiopathic infertility.- 40. Gynecology relevant to andrology.- 41. Assisted fertilization.- 42. Cryopreservation of human sperm and testicular germ cell tissue for fertility reserve.- Part IX. Sexual Health.- 43. Sexual Medicine and Andrology.- 44. Involuntary Childlessness from the Perspective of Sexual Medicine.- Part X. Male Contraception.- 45. Male contribution to contraception.- 46. Vasectomy.- 47. Approaches to hormonal male contraception.- 48. Non-hormonal Approaches to Male Contraception.- Part XI. Law and Ethics in Reproductive Medicine.- 49. Legal regulations in Andrology and Reproductive Medicine.- 50. Ethical criteria of reproductive medicine.