A 40-year-old woman presents with easy fatigability, weakness, lethargy, and poor concentration for 10 months. She also complains of a weight gain of 9 kg over the last 6 months, which she believes has mainly affected her abdomen and neck.
She was recently diagnosed with impaired glucose intolerance but is currently not on any medications or dietary modifications.
She is a mother of two boys. Her periods are irregular and have occurred 6 times in the last 10 months, with the most recent period being six weeks ago. A urine pregnancy test is negative.
A complete blood count is found to be within normal parameters.