A 42-year-old member asked:
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is there a limit to number of sonograms i can have? my wife would like to have more - we all love looking at the pictures - but i'm concerned about side effects of doing any more than are necessary. is there a limit to the number of sonograms we should h

2 doctor answers
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
The : The currently available scientific studies have demonstrated no adverse affects on the fetus when using diagnostic ultrasound at standard medical imaging settings. There is no acceptable limit to the number of sonograms a person may have during pregnancy. Diagnostic ultrasound used in medical imaging has not demonstrated any increased risk of birth defects, childhood cancer, or mental impairment. The main effect of concern from ultrasound is tissue heating; this occurs as the ultrasound waves impart energy into the tissue being imaged. However, minimal heating occurs during a normal exam and at standard settings, the temperature of the tissue being imaged would increase by less than 1 degree celsius after 1 hour of continuous imaging. In spite of evidence that ultrasound imparts no danger to the fetus, it is generally recommended that obstetric ultrasound be performed only when there is a specific medical reason for the examination.
Answered on Oct 3, 2016
Dr. Bruce J. Stringer
46 years experience Radiology
As many as required!: While ultrasound is generally regarded as safe. It should always be used for a medically appropriate indication. Vanity type studies are strongly discouraged.
Answered on Jan 28, 2013

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