What Affects the Test
Fetal ultrasound results may be affected by:
- Being very overweight or Reference obese Opens New Window.
- 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.
|By:||Reference Healthwise Staff||Last Revised: Reference June 18, 2012|
|Medical Review:||Reference Sarah Marshall, MD - Family Medicine
Reference William Gilbert, MD - Maternal and Fetal Medicine