Downs Syndrome Screening in First Trimester, Obstetrics

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Appointments for a dating scan including 1st trimester screening for Down’s Syndrome (NT measurements) should be no less than 25 minutes. This should include time to get “on and off the couch”, time to perform the ultrasound examination and time to complete the report.

NOTE: this guideline is hosted on the NHSGGC Obstetrics & Gynaecology Handbook website. Clicking on the link below will open the guideline in a new window.


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