Accuracy of ultrasound dating

Any resemblance of any type of name or date or place or anything else to real world is purely incidental.When is it done: Ultrasound or sonar scans are routinely done at any time during pregnancy.The transvaginal approach should be used in all circumstances where a viable intrauterine pregnancy is not obvious on transabdominal assessment.The uterus and adjacent structures should be assessed in both longitudinal and axial sections, taking care to pass completely from side to side and from fundus to cervix to determine the number and location of gestational sacs and embryos.Most examinations at this stage are performed for a specific clinical indication such as pain or vaginal bleeding associated with a positive pregnancy test.

When performed, the examination is generally limited to determination of the location and number of gestations present, determination of chorionicity in cases of multiple gestations, assessment for viability, and estimation of gestational age.Guidelines typically describe the essential components of an obstetric ultrasound examination.However, many experts in the field advocate the use of additional views to improve diagnostic performance.NOTE: These transcribed medical transcription sample reports and examples are provided by various users and are for reference purpose only.MTHelp Line does not certify accuracy and quality of sample reports.

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