The unusual case of a woman who had twins of different parents: one from her husband and the other from her lover – 28/03/2019

When his twins were born, the father found strange the huge physical difference that separated them. They had nothing in common, neither their mouths, nor their eyes, nor their lips. But he thought it could be normal and did not care.

At the time of his registration in the Xiamen Civil Registry in Fujian Province, China, he had to present with his wife a genetic badysis that demonstrated the paternity of both. This is an information that all families with their newborn must submit by obligation.

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But when he received the results, he had a huge surprise and discovered why his twins were not alike: the two children shared some of the DNA with their mother, but one of them had no trace of his father.

At first, the woman claimed that the tests could not be true and accused her husband of falsifying the results. Finally, he admitted to having bad with another man. "Of course, I want my son, but I do not want to raise the son of another," said the father, called Xiaolong to preserve his identity, in the Chinese newspaper Strait Herald.

Although it seems unreal that two twins are of different parents, it's entirely possible. The information was published by the Fujian Zhengtai Authentication Center in Xiamen and is a rare case of what is known in biology as: "heteropaternal superfecondation".

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According to the director of the Association of Clinical Embryologists of England, Jason Kasraie, the phenomenon This can happen in two scenariosThe first is for the woman to release two eggs at the same time. As sperm can survive a few days in the reproductive tract, this would occur if you had bad before one of the eggs was released and then with another person just after your ovulation.

In the second case, the woman can release two eggs, but with separation days, although in the same reproductive cycle. Whatever the case may be, the expert said in statements to The Guardian newspaper that "it is extremely rare because it depends on many anomalies that occur during the same cycle".

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The heteropaternal superfecundation, strange in the man, It is common in dogs, cats and cowsbecause the exchange of badual partners over a short period is much more common.

The case has had a huge impact on Chinese social networks, with speculation about the future of the family. It is not yet known if the man will make the decision to raise only his son who shares the DNA or both.

CD.