This monogram intended to provide the insight into hormone replacement therapy in menopause and andropause along with their controversies.contribution from senior most experts in the field including physicians, cardiologists, orthopedicians, gynaecologists, clinical pharmacologists and neurologists.Provides current up-to-date information on various facets of this complex entity.A small section of monogram has been devoted to “andropause”, a relatively new concept, has been dealt with in the most authoritative manner by various experts in the field.