Ultrasound Scan during Pregnancy: References

ACOG Practice Bulletin: Ultrasound in Pregnancy, Number 101, February 2009, Reaffirmed 2014.

Riley LE, Stark AR, et al, Eds. Guidelines for Perinatal Care. 7th ed. 2012. American Academy of Pediatrics. The American College of Obstetrics and Gynecologists.

Skafianaki AK, Copel J, et al. Routine prenatal ultrasonography as a screening tool.UpToDate. http://www.uptodate.com/contents/routine-prenatal-ultrasonography-as-a-screening-tool?source=search_result&search=Routine+prenatal+ultrasonography+as+a+screening+tool&selectedTitle=1%7E150. Updated October 30, 2015. Accessed August 20, 2016.

ACOG Practice Bulletin: Antepartum Fetal Surveillance Number 145, July 2014.