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Downloaded from http://journals.lww.com/ultrasound-quarterly by BhDMf5ePHKbH4TTImqenVJ2toCr/9wZZjwPUWvYES9lBjFbu9i0DAnSw4JagSjiU on 10/28/2020 ORIGINAL RESEARCH Incidence of Fetal Anomalies After Incomplete Anatomic Surveys Between 16 and 22 Weeks Sarah A. Waller, MD,* Kathleen O’Connell, MEd,* Ashley Carter, BA,*Þ Michael G. Gravett, MD,* Manjiri Dighe, MD,Þ Michael L. Richardson, MD,Þ and Theodore J. Dubinsky, MDÞ ltrasound use in obstetrics dates back to the 1950s but was Objective: Midtrimester fetal anatomic surveys by ultrasound are a Unot widely used until the 1970s and 1980s. Universal standard obstetrical practice. As technology has improved, anatomic screening to detect fetal anomalies in unselected populations is surveys are increasingly performed at earlier gestational ages. Ultra- now a common practice but remains controversial, especially in sound’s ability to detect anomalies may be limited before 20 weeks, the setting of increased scrutiny on the number of sono- thereby increasing the likelihood of an incomplete survey. We sought grams deemed necessary for each patient. In the United States, to determine factors contributing to incomplete sonograms and the like- virtually all pregnant patients are offered at least one ultra- lihood of fetal anomalies identified on subsequent examinations. sound during their pregnancy for assessment of fetal anatomy. Study Design: We conducted a retrospective case-control study by
Ultrasound quarterly – Wolters Kluwer Health
Published: Dec 1, 2013
Keywords: fetal anatomic survey,incomplete survey,fetal ultrasound,early gestational age,obesity,fetal ultrasound
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