1. American College of Radiology.ACR–ACOG–AIUM–SPR–SRU Practice Parameter for the performance of ultrasound of the female pelvis[Internet].2014[cited 2017 Dec 15]. Available from:https://www.acr.org/-/media/ACR/Files/Practice-Parameters/us-pelvis.pdf?la=en
2. American College of Radiology.ACR appropriateness criteria[Internet].2015[cited 2017 Dec 15]. Available from:https://acsearch.acr.org/docs/69503/Narrative/
3. American Institute of Ultrasound in Medicine.AIUM Practice parameter for the performance of Ultrasound of the female pelvis[Internet].2014[cited 2017 Dec 15]. Available from:http://www.aium.org/resources/guidelines/femalepelvis.pdf
4. Australasian Society for Ultrasound and Medicine.Guidelines Policies and Statements D8: Statement on the Performance of a Gynaecological Scan[Internet].2014[cited 2017 Dec 15]. Available from:http://www.asum.com.au/files/public/SoP/D8-Guidelines-for-the-Performance-of-a-Gynaecological-Scan.pdf
5. Society and College of Radiographers and British Medical Ultrasound Society.Guidelines for Professional Ultrasound Practice[Internet].2015[cited 2017 Jan 9]. Available from:https://www.sor.org/sites/default/files/document-versions/ultrasound_guidance.pdf