Study Rejects 'Production-Line Hypothesis' as Reason for Increased Risk of Miscarriages, Birth Defects

A new study conducted by researchers at Washington State University has rejected a five-decade old hypothesis of why there is an increased risk of miscarriages and children with birth defects among older women. The 46-year-old "Production-Line Hypothesis" says that the first eggs produced in a female's fetal stage tend to have better connections or "crossovers" between chromosomes. The hypothesis also asserts that, as the woman ages and ovulates eggs produced later, ...

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Written by: editor - Friday, July 4, 2014