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Transvaginal Ultrasound First Trimester
What is the margin of error for an abdominal ultrasound in the first trimester. Around 11 weeks. Would vaginal be more accurate?
An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more
Early Ultrasounds: Actually they are thought to be the most accurate. ...Read more
Diagnostics: This question is hard to answer because it depends upon what you're looking for with your first trimester ultrasound. If you're trying to figure out how far along you are in the pregnancy that is excellent, if you're trying to figure out if your baby has down syndrome it's not perfect and will require further work up with other blood tests and ultrasounds. ...Read more
Family practice : It is an u/s to determine normal growth and determine proper due date if unsure of lmp. Usually done at 18 weeks gestation. ...Read more
What is the accuracy of an abdominal ultrasound in the first trimester? Possible to be off 4 weeks?
Ultrasounds: Nope. It is very unlikely that an early ultrasound is inaccurate by much, especially four weeks. The early ultrasounds are much more accurate in general. ...Read more
Is u/s dating in first trimester more accurate that going by LMP? EDD changed & going by ultrasound now...
Depends: 1st trimester US is accurate within 5-7 days so if it differs from your LMP due date by more than that then the US is used. Also if you are uncertain about your LMP, most OB's will use that early US. ...Read more
Will a vanishing twin (lost at 7 weeks) affect first trimester downs syndrome testing with blood test and ultrasound?
Vanishing twin: No, it would not affect your test result. Ultrasound would show it for a while, but the developing twin will eventually grow big enough to hide it from view. ...Read more
An ultrasound is an imaging study in which a probe emits and receives sound waves which rebound off of internal organs in order to visualize them. For a transvaginal ultrasound a specially designed probe is lubricated and placed into the vagina in order to better ...Read more
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