When can birth defects be picked up on a sonogram and does a sonogram show the h!
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If the pregnant female is not obese, one can most often see the heartbeat with transabdominal ultrasound. One can definitely see the heartbeat with a transvaginal ultrasound (hand held probe that is inserted into the vagina) at 6 weeks.
I found this on birth defects and ultrasound:
The accuracy of ultrasound in screening for birth defects varies, depending on the skill of the operator. Its accuracy has been reported to be:2
53% overall for detecting birth defects.
90% for detecting fatal defects.
About 100% for some neural tube defects, such as anencephaly.
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