Is it safe to do 4D ultrasonography?

During pregnancy does radiation creates any problem? What is ultrasono anamoly test? Does it cause any harm to the child? or:During pregnancy does ra

During pregnancy does radiation creates any problem? What is ultrasono anamoly test? Does it cause any harm to the child?

or:During pregnancy does radiation creates any problem? What is ultrasono anamoly test? Does it cause any harm to the child?

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