Modelling the constraints on consanguineous marriage when fertility declines

Modelling the constraints on consanguineous marriage when fertility declines

BACKGROUND Consanguinity or marriage between close blood relatives, in particular first cousins is widely practised and even socially encouraged in many countries. However, in the face of fertility transition where the number of cousins eligible to marry declines, how might such constraints on consanguinity develop in the future? OBJECTIVE Numerous studies have stated that the practice cannot c...

Consanguineous marriage and differentials in age at marriage, contraceptive use and fertility in Pakistan.

Fertility rates in Pakistan have remained consistently high over the past three decades. While numerous studies have examined sociodemographic determinants, the role of biological factors, and particularly consanguinity, has received little attention, even though marriage between close biological relatives continues to be the norm in Pakistan. Reproductive behaviour among women in consanguineou...

Hearing Impairments in Consanguineous Marriage

Consanguineous marriage is strongly favored in many large human populations. In the most parts of south Asia, consanguineous marriage account for 20%  to over 50% of the general population. The effect of consanguinity on hereditary deafness has been well studied and documented. Many authors have suggested that approximately one half  of sensory neural hearing loss in children can be attributed ...

1 Consanguineous marriage , past and present

Major problems can arise when a term with a quite specific scientific definition becomes part of everyday speech. A prime example of this phenomenon is the word mutation, acknowledged within science as denoting a change in genetic structure and the driving force of evolution. But to members of the general public a mutation almost inevitably denotes a change that is at best disadvantageous and i...

A Background Summary of Consanguineous Marriage