Human Sperm Competition

Introduction. Sperm competition. Mating systems. Mate choice. Copulation: male considerations. Copulation: female considerations. Masturbation and nocturnal orgasms in males and females. Infidelity. Conception: fertility and infertility.

immense amount of information ... carefully documented - Nature; ...the book is difficult to put down. There can be few people who are not fascinated by their own sexual behaviour and the attempt here is to place the whole thing in an evolutionary framework determined, and driven, by sperm competiton. Baker and Bellis may not be always right, but it is a hell of a good story. - Heredity; Human Sperm Competition: Copulation, Masturbation and Infidelity...opens up a previously unexplored area of research in human sexuality...The result is something remarkable - a genuinely new book about sex. - The Independent; For years I have not read such an important and capivating book which on one hand deals with everyday behaviour and on the other hand connects with the best of the Darwinian approach. - Galileo; Their ideas are novel and their research has taken them into areas where many others have been reluctant to tread. Trends in Ecology and Evolution.