New insights into leading cause of miscarriage, birth defects discovered

http://ift.tt/eA8V8J Ten to 25 percent of human embryos contain the wrong number of chromosomes, resulting in miscarriage or birth defects such as Down syndrome. The incidence of these errors rises dramatically as women age. Two recent studies shed new light on the mystery of the leading cause of birth defects and miscarriage, laying the foundation for further research in an understudied but crucially important field of genetic study.

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