Headed by immunologists at the Fred Hutchinson Caner Center in 2004, the study sampled 120 women who had never had children. They discovered that 21% of these women had male DNA. Women were classified into four distinct groups according to the history of pregnancy: group A had had only daughters, group B had had one or more miscarriages, group C had induced abortions and group D had never been pregnant before. The occurrence of male michrochimerism was significantly greater in group C, although it was still present in each group: group A showed 8%, group B showed 22%, group C showed 57% and group D 10 %.
It is uncertain how robust these findings are. The study, which focused on the female brain and genetics, found that 63% of women who harbor brain DNA that originated from other individuals.
Dependent on the Newswire reports that the male DNA was found to be genetically distinct cells that make up the rest of the woman. After a careful study, the researchers found that the male DNA in the brains of women were of their past or present lovers. The DNA was discovered to have genetically fused into women’s brains for life.
The finding was made by chance. The Scientists originally wanted to study whether women who have been pregnant may be more prone to neurological diseases that frequently appear with slightly more painful. To do this, scientists had to dissect the female brain, and in doing so, they learned that women’s brains often harbor “male microchimerism.”
At first, researchers speculated that male DNA in female brains was from male pregnancy, but when the autopsy was done on the brains of women who had never been pregnant, much less having a male child, the same male DNA was found in their brains. This has led to a great confusion and scientists have found that male DNA was left in women who have never had sex. The study concludes that sperm are living cells and whenever a woman’s body starts absorbing a man sperm, it becomes a living part of her for life.
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