How accurate are ultrasound dating scans

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A mother-to-be has revealed how an ultrasound scan failed to pick up a deadly genetic disorder in her unborn baby. But their joy was short-lived when an NHS scan at 20 weeks revealed the baby has a host of health problems, which could cause it to die in the womb or live just minutes. Miss Barker, of Blackburn, then underwent a second scan, also on the NHS, which revealed she is actually expecting a baby boy. Now 24 weeks, Miss Barker is determined to continue with her pregnancy. Melissa Barker pictured left before she became pregnant paid for a private ultrasound scan which 'revealed' she is expecting a healthy baby girl.
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Ultrasound Accuracy for Predicting Due Dates

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Ultrasound Accuracy for Predicting Due Dates

Researchers have mapped out the expected measurements for specific points in early pregnancy , so an early ultrasound scan can give a doctor some important information. For this purpose, an ultrasound is considered a highly accurate means of dating a pregnancy. In a normal pregnancy, the ultrasound results can provide an estimate of the gestational age to within five to seven days of accuracy. In the first trimester, doctors usually use a transvaginal rather than abdominal ultrasound to gather information about the pregnancy. The transvaginal ultrasound provides the most accurate information in early pregnancy, given that the early developing gestational sac and fetal pole are extremely tiny at this point and a vaginal ultrasound can get closer to the developing pregnancy. In a transvaginal ultrasound, the doctor or technician inserts a thin probe into the vagina in order to take a series of measurements, including the size of the gestational sac, the size of the yolk sac, the length of the fetal pole, and the heart rate.
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Google Rating 4. My sister was very happy with the treatment. Quite affordable prices considering the perks you get. Freya Blomfield 01 Apr 17 Such a lovely experience, such a welcoming place and lovely staff- couldn't wait to see my baby again and find out the sex! I must say a massive thank you to the sonographer for being so patient with my wriggly little lady who gave us all back and had her little legs crossed!
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A pelvic or gynaecologic ultrasound is an ultrasound of the female pelvis. Transabdominal ultrasound involves scanning through your lower abdomen. Transabdominal ultrasound usually provides an overview of the pelvis rather than detailed images. The transabdominal assessment is particularly helpful for the examination of large pelvic masses extending into the abdomen, which are not always well viewed with transvaginal ultrasound. A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel.
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