Fetal Ultrasound

Pregnancy Ultrasound, Obstetric Ultrasound, Ultrasound, Fetal, Sonogram, Fetal

What Affects the Test

Fetal ultrasound results may be affected by:

• Being very overweight or obese.
• Stool (feces) or air in the intestines or rectum.
• An abnormally low amount of amniotic fluid.
• Some fetal positions.
• Not being able to lie still during the procedure.
• A very active fetus.

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Author:	Sandy Jocoy, RN	Last Updated: June 17, 2009
Medical Review:	Martin Gabica, MD - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology
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