Vertebral Abnormality without Spine–Curvature Deformity on Prenatal Ultrasonography
نویسندگان
چکیده
منابع مشابه
Proliferation of prenatal ultrasonography.
BACKGROUND The extent to which temporal increases in the use of prenatal ultrasonography reflect changes in maternal risk is unknown. In this population-based study, we examined the use of prenatal ultrasonography from 1996 to 2006 in Ontario. METHODS With fiscal year 1996/97 as the baseline, we evaluated the relative risk (RR) and 95% confidence interval (CI) for the change in rates of ultra...
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ژورنال
عنوان ژورنال: Ultrasound in Medicine & Biology
سال: 2017
ISSN: 0301-5629
DOI: 10.1016/j.ultrasmedbio.2017.08.1466