Us obstetric dating scan

Posted by / 17-Sep-2017 22:11

The sonographer will ask you to lie on your back and she or he will put some lubricating gel on your abdomen.A small device is then passed backwards and forwards over your skin, and high-frequency sound is beamed through your abdomen into the womb.

During the anatomy scan we check: List of Abnormalities & Birth Defects Thankfully, abnormalities are rare.All women booking for delivery at the Rosie are offered two ultrasound examinations ('scans') during their pregnancy.The first is to provide an estimated date of delivery and to see how many babies are present. All women are also offered a screening test for Down's syndrome.Accurate measurements and images are taken of the gestational sac and the 'crown to rump' length of the embryo, to accurately date the pregnancy.Serum blood screening in early pregnancy is performed alongside nuchal scanning in order to identify high-risk pregnancies.

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