First published in 1988, this book examines the causes and consequences of different mating patterns in man with particular reference to biological, medical and demographic factors. Although the effects of inbreeding on genetic structure and gene frequencies have been well covered in the medical genetics literature, and specific social systems have been described in social anthropology texts, this attempts to present an holistic approach. Four main areas are covered: historical and demographic aspects; mate choice and assortative mating; social systems, religious rules and mating practices;...

Many wrongly believe that reproductive cycles are very similar among human females. In actuality, there are considerable variations among individuals and within the reproductive life of any given female. "Normal" reproductive cycles cover a wide range of examples, and the likelihood of successful monthly egg release and ensuing pregnancy can be modified by many factors. In this book, the variability of human fertility is examined by looking first at the physiological processes regulating reproduction. Interpopulation variation in normal ovarian function is then discussed, covering the...

An examination of migration as an important cause of change in the genetic and demographic structure of human populations.

Examination of human reproductive ecology focussing on environmental, demographic, health and family planning issues.