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2052165 tn?1331146225

Congenital Heart Disease

If some women give birth to a baby with some congenital heart disease like, Tetrology of fallot, then what about her 2nd baby, he/she will born normal or with the same defect in heart???


Please also guide what are the causes of this type of diseases and how it can be prevented?
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2052165 tn?1331146225
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Avatar universal
MEDICAL PROFESSIONAL
Typically, the chance of having a second baby with tetralogy of fallot is low, around 3%.  Both environmental and genetic factors exist in the occurrence of ToF, so it is hard to predict ACTUAL risk of recurrence of ToF in your family.  We know that mother's diabetes, or exposures to things like retinoic acid early in pregnancy, are linked to babies with ToF.  Also, if your family members have DiGeorge's syndrome, the risk of Tof might be elevated.
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