Over 50 per cent of women suffer from premenstrual tension and many others are indirectly affected by this suffering - including husbands, children, colleagues, workmates and friends. This book attempts to provide an understandable account of menstrual difficulties, its causes and treatment. This is the fifth edition of this book which has been expanded to take account of the latest developments in the treatment of premenstrual syndrome, and includes a new chapter on men and their role in helping women cope.