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Few Risks Seen To the Children Of 1st Cousins

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Double first cousin marriage birth defects sims 3 cheats matchmaker Appeared in BioNews 712 Marriage between first cousins could double the risk of any offspring having a birth defect, researchers say. In a large multi-ethnic double first cousin marriage birth defects performed in Bradford in the UK, scientists sought to investigate why congenital anomalies were more common in babies born to Pakistani mothers in England and Wales than to white British mothers. The study found that nearly one third 31 percent of these cases could be attributed to cousin marriage in the Pakistani community.

what happens if first cousins have a baby

Credit. US National Institutes of Health Marriage between first cousins can more than double the risk of giving birth to a baby with a congenital anomaly eg, heart and lung defects, Down syndrome , although the absolute risk is low, according to a multiethnic study of more than 11300 babies from the city of Bradford in the UK, published in The Lancet. A similar but expected increased risk in older mothers over 34 years of age was seen among white British women. The investigators looked at the influence of various maternal lifestyle and clinical risk factors eg, smoking, obesity, and deprivation in children with one or more anomalies from the Born in Bradford BiB study, which is tracking the health of 13 500 babies born at Bradford Royal Infirmary between 2007 and 2011, but found that the greatest risk factor was closely-related parents.

Is Marrying Your Cousin Actually Dangerous?

Opt out or contact us anytime The report made a point of saying that the term ''incest'' should not be applied to cousins but only to sexual relations between siblings or between parents and children. Babies who result from those unions are thought to be at significantly higher risk of genetic problems, the report said, but there is not enough data to be sure. The new report says that genetic counselors should advise cousins who want to have children together in much the same way they advise everybody else and that no extra genetic tests are required before conception. The guidelines urge counselors to take a thorough family history and, as they do for all clients, look for any diseases that might run in the family or in the clients' ethnic groups and order tests accordingly. During pregnancy, the woman should have the standard blood tests used to screen for certain neurological problems and other disorders and an ultrasound examination.



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3rd cousin birth defects

Он осторожно обошел угол, поглядел в обе стороны голубого коридора. в нем ничего не. Минуту Макс разыскивал пятна помады на стене и добавил к ним несколько новых, отметив расположение города крошечных октопауков, а потом вернулся к платформе.

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