Endocrine System

{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"This pregnant lady has presented with an abnormal glucose challenge test in the second trimester, even though the same test was normal during the first trimester. This is suspicious of gestational diabetes mellitus (GDM). Note also that she has several important risk factors for GDM: South Asian origin, diabetes mellitus in two first degree relatives, and age \u003E25 years.\n\nThe oral glucose tolerance test (OGTT) is the gold standard for confirmation of GDM, and is positive in this patient, clinching the diagnosis. As the time of onset of GDM is unknown, an HbA1c is of value in assessing her glycemic status during the last couple of months. This lies within the range of 5.6-6.4%, indicating that impaired glucose tolerance has been present for s"}]}

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