Title : A Study Shows That Low Birth Weight Is The Reason Why Women Outlive Men Birthweights
link : A Study Shows That Low Birth Weight Is The Reason Why Women Outlive Men Birthweights
A Study Shows That Low Birth Weight Is The Reason Why Women Outlive Men Birthweights
A Study Shows That Low Birth Weight Is The Reason Why Women Outlive Men Birthweights
significant drop in birth rates are one of the main reasons why women live longer than men in today’s world, new research has found. Reducing rates of female reproductive life benefit more than women pay high costs of reproduction than males. The results of the study revealed that women who gave birth to 15 children or more lived an average of six years shorter than women who had only one child. However, in men, no association between the number of children fathered and life was observed. “Our results have implications for demographic projections, because fertility patterns and hope of expected life are continually changing throughout the world,” said lead researcher Elisabeth Bolund, post-doctoral researcher at the University of Uppsala, in Sweden .
For the study, published in scientific reports, the team analyzed 140,600 reproduction of individuals from Utah in the United States the use of single longitudinal demographic records and found that men born in the first half of the 1800s lived on average two women years. This reverses the time and the woman born in 1900 men survived for four years. During this period, the fertility of the population was reduced from an average of 8.5 in the early 1800s to an average of 4.2 children per woman in early 1900. The female life expectancy increased, while the life of male it remained virtually stable. The data show that only women pay a cost of reproduction in terms of remaining life shortened after the end of the reproductive period.
Source: IANS
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