Editing Glucose tolerance test (section)

===Dose of glucose and variations===
* 75&nbsp;g of oral dose is the recommendation of the [[World Health Organization|WHO]] to be used in all adults,<ref name=who/> and is the main dosage used in the United States.<ref name=ADAstandards2020/> The dose is adjusted for weight only in children.<ref name=who>{{cite book|author=World Health Organization and International Diabetes Federation|title=Definition, diagnosis and classification of diabetes mellitus and its complications|location=Geneva, Switzerland|publisher=World Health Organization|year=1999}}</ref> The dose should be drunk within 5 minutes.
* A variant is often used in [[pregnancy]] to screen for [[gestational diabetes]], with a screening test of 50&nbsp;g over one hour. If elevated, this is followed with a test of 100&nbsp;g over three hours.<ref name=ADAstandards2020/>
* In UK general practice, the standard glucose load was provided by 394&nbsp;ml of the energy drink [[Lucozade]] with original carbonated flavour, but this is being superseded by purpose-made drinks.<ref>
{{cite web|url=http://www.salforddiabetescare.co.uk/index2.php?nav_id=443|title=Glucose Tolerance Tests in Primary Care|author=Salford Royal NHS Trust|access-date=2012-06-20}}</ref><ref>{{cite web|url=http://www.erypct.nhs.uk/upload/HERHIS/East%20Riding%20PCTs/Document%20Store/Policies/diabetes_OGT_protocol&guidance_final_apr09.pdf|title=Oral Glucose Tolerance Tests: Protocol and Guidance|author=Jane Patmore|year=2009|publisher=Hull and East Riding Diabetes Network, Hull NHS teaching hospitals trust|access-date=2012-06-20|archive-url=https://web.archive.org/web/20120506131302/http://www.erypct.nhs.uk/upload/HERHIS/East%20Riding%20PCTs/Document%20Store/Policies/diabetes_OGT_protocol%26guidance_final_apr09.pdf|archive-date=2012-05-06|url-status=dead}}</ref>