Genetics: if there is a family history of genetic disorder in the families it is better that both get genetic testing done before getting pregnant. Most of these disorders are recessive hence only one parent may have the defect and the children would be fine if both parents have the same genetic defect then there is a 25 percent chance that the child would be affected. So it all depends on ethnicity.
Answered 11/24/2014
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2 doctors weighed in across 2 answers
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