Father absence in early life has been shown to be associated with accelerated reproductive
development in girls. Evolutionary social scientists have proposed several adaptive …

Evolutionary theories of ageing point to reproduction as a significant factor to consider when
asking why ageing occurs and why there is inter-individual variation in its progression …

Interest in incorporating life history research from evolutionary biology into the human
sciences has grown rapidly in recent years. Two core features of this research have the …

Decades of research on human fertility has presented a clear picture of how fertility varies,
including its dramatic decline over the last two centuries in most parts of the world. Why …

Humans are shaped by evolution through natural selection, as are all species. While
evolution is central to all biological processes, the key stage for competition and selection is …

Women are considered to have an irregular menstrual cycle if their cycle length is less than
21 days or more than 35 days, accompanied by less or very severe blood flow. The …

In order to investigate the association between early life conditions and reproductive and
sexuality-related life history outcomes among men, we conducted a meta-analysis that …

Despite the tendency of some academic disciplines to assume that the nuclear family is
normative, the family takes a number of different forms cross-culturally. Regardless of family …

Cultural, ecological, familial and physiological factors consistently influence fertility
behaviours, however, the proximate psychological mechanisms underlying fertility decisions …

Highlights•Evolutionary-developmental models posit that parental behaviors are context-
specific.•Parenting shapes child developmental domains to aid in survival and …