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Most miscarriages are caused by chromosome problems that make it impossible for the baby to develop. Usually, these problems are unrelated to the mother or father's genes.
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Causes of miscarriage may be genetic, anatomic, endocrinologic, infectious, immunologic, or exposure to a toxin. About 50–60% of first-trimester miscarriages occur as a result of a chromosomal abnormality, which renders the fetus non-viable. A def...
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There are many reasons why a woman's pregnancy ends in miscarriage. Often the cause is not clear. However, more than half the miscarriages that occur in the first eight weeks of pregnancy involve serious chromosomal abnormalities or birth defects ...
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