Socio-Economic and Environmental Factors May Play an Important Role in Monarchial Age

Age at menarche is known to be regulated by genetic and environmental factors. To date، no menarcheal data are available on most of women. Survey show no significant influence of emotional support، but do indicate that many aspects of social integration are directly associated with self-rated health and menarche in girls. In this respect founding of many studies showed that، girls from families with high socio-economic status experience menarche at an earlier age than girls from families with lower socio-economic status.