Most accurate time for dating ultrasound

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I'm just a wee bit OCD and it's making me crazy to think there are two due dates!!. When I had a US at ten weeks he measured the baby at 9 w 4 days. So 3 days off. But he's keeping the due date.

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First trimester ultrasound is most accurate at estimating gestational age within days depends on the center. It trails off after that. 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 and minimally invasive procedures.

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Please click here if you are not redirected within a few seconds. Home Community October Just had my NT scan looks good and the baby in 63 mm so the tech wrote me down as 12 weeks 5 days but my date from last period is 12 weeks exactly- Anyone else. Comments 3 Add a comment. Around 7 weeks is the most accurate time for dating. My OB told me that no matter what anyone tells me through the rest of my pregnancy, my date as of my 7w3d ultrasound is the most accurate I was measuring 2 days behind.

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A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy. Most dating scans are done with a trans-abdominal transducer and a fullish bladder. If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures.

2 thoughts on “Most accurate time for dating ultrasound

  1. JoJotaur


  2. Samumuro

    I agree with told all above. We can communicate on this theme.


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