Just this week Dr Laura took a call from a black female caller married to a white man who wanted to know how to handle ignorant and racist remarks from his family and neighbors. Catalano notes that these trends may be related to the observed trend of elevated incidences of very low birth weight from maternal stress, during certain macroeconomic circumstances. These men will remain single and will be unable to have families, in societies where marriage is regarded as virtually universal and social status and acceptance depend, in large part, on being married and creating a new family. The same gender difference show up in interracial sex. Twice as many Asian female newlyweds out-married as Asian men. Green writes, "'cisgendered' is used [instead of the more popular 'gender normative'] to refer to people who do not identify with a gender diverse experience, without enforcing existence of a normative gender expression". However, during this period, there were also shifts in demographics that influence the sex ratio. For the group aged below 15, Sierra Leone has the highest female ratio with 0. Social status of the mother, known to be a factor in influencing the sex ratio of certain animals such as swine,  but apparently not in humans. This study also found that the sex ratios at birth in the United States, between —, were lower in both black and Hispanic ethnic groups when compared with white ethnic group. It's obvious that we're not living in a post-racial society when it comes to love and marriage. Since online dating sites have become so widely used we can see how people really choose potential partners versus how they say they do. Because black men have been oppressed by white men, black women are taught to have "stand by your man at all costs" loyalty to them. They analyzed the sex ratio of births from the files of Statistics Finland and all live births in Finland from to Since their independence from Soviet Union, the birth sex ratio in these Caucasus countries has risen sharply to between 1. In many communities today, there are growing numbers of young men who come from lower classes who are marginalized because of lack of family prospects and the fact that they have little outlet for sexual energy.