When used correctly and consistently, the male condom offers triple protection from
unintended pregnancy and the transmission of sexually transmitted infections (STIs) and …

Socially imposed monogamy in humans is an evolutionary puzzle because it requires costly
punishment by those who impose the norm. Moreover, most societies were—and are …

Leveraging 2.5 years of weekly data from the Relationship Dynamics and Social Life Study,
we investigate the relationship between young women's sexual concurrency and their …

Sexually transmitted infections (STIs) are a globally increasing public health problem.
Mathematical models, carefully matched to available epidemiological and behavioural data …

BACKGROUND Empirical estimates of the female-to-male ratio of infections in generalized
HIV epidemics in sub-Saharan Africa range from 1.31 in Zambia to 2.21 in Ivory Coast …

Background Concurrent relationships are a driver of generalised epidemics of sexually
transmissible infections (STIs). In Australia, explicit negotiation of agreements about sex …

Abstract Introduction: Concurrent partnerships (CPs) have been suggested as a risk factor
for transmitting HIV, but their impact on the epidemic depends upon how prevalent they are …

A widely accepted explanation for the exceptionally high HIV prevalence in sub-Saharan
Africa is the practice of long-term overlapping heterosexual partnering. This article shows …

Using a systematic literature review approach, this paper focused on the role of polygyny in
the spread of HIV/AIDS in sub-Saharan Africa (SSA) countries. The widespread practice of …

Background: Coital dilution, the reduction in the coital frequency per partner when an
additional ongoing partner is added, may reduce the transmission potential of partnership …