Here's a sample view of a normal fetal heart, courtesy of the UPenn Medical Library:
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After the technician performed the echo we met with a pediatric cardiologist to review the results. The doctor advised us that everything looked good, and that although it is too soon to spot a bicuspid aortic valve at this point, in most cases a healthy 20 week scan means the baby will be born with a healthy heart because most of the time {I think he mentioned an estimate of 80%} left heart defects manifest themselves by 20 weeks. The inheritance rate for left heart lesions is currently estimated in the 10-20% range, while other heart defects are typically inherited only ~ 3-5% of the time. Left heart lesions can evolve before birth though, so as a precaution, he recommended that we return for a follow-up echo in 8-10 weeks to ensure that everything has grown appropriately and the aortic arch looks good. If they spot something odd at the follow-up appointment, they'll have a specialist examine the baby at the hospital after delivery. But, if all looks good at the follow-up appointment -- which is what we're hoping for -- then there's likely no need for any further concern and we'd just get a pediatric cardiologist to examine the child sometime within the first few years of life just to triple check everything.
So, for the time being we have every reason to hope for the best and try not to worry! :) Though I'm starting to realize that as a soon-to-be parent that is much easier said than done!!
As a side note, both the sonogram technician and the doctor were incredibly nice and explained everything clearly. Despite being at a top medical facility with lots of patients, they each entertained all questions we had, and did not rush us at all. We also were not kept waiting any longer than a few minutes beyond our original appointment start time. This is all quite a novelty in NYC!
If you're interested, you can read more about Fetal Echocardiograms here.
Here, you can find some facts and information on congenital heart disease and pediatric heart conditions.
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