The Evolutionary Biology of Human Female Sexuality
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Research conducted in the last fifteen years has placed in question many of the traditional conclusions scholars have formed about human female sexuality. Though conventional wisdom asserts that women's estrus has been evolutionarily lost, Randy Thornhill and Steven W. Gangestad assert that it is present, though concealed. Women, they propose, therefore exhibit two sexualities each ovulatory cycle-estrus and sexuality outside of the estrous phase, extended sexuality-that possess distinct functions. Synthesizing research in behavioral evolution and comparative biology, the authors provide a new theoretical framework for understanding the evolution of human female sexuality, one that is rooted in female sexuality and phylogeny across all vertebrate animals.
1 Background and Overview of the Book 12 Methodology 163 Extended Female Sexuality 374 The Evolution of Human Mating Systems and Parental Care 565 Female Ornaments and Signaling 786 The Evolution of Women's Permanent Ornaments 1107 Good Genes and Mate Choice 1448 Estrus 1849 Women's Estrus 20710 Women's Estrus, Pair Bonding, and Extra-Pair Sex 23411 Concealed Fertility 26612 Coevolutionary Processes: Men's Counterstrategies and Women's Responses to Them 29013 Reflections 321References 331Index 393
