[Solved]: A 25-year-old woman is seen for evaluation of…

A 25-year-old woman is seen for evaluation of irregular and heavy menses. She states that she underwent menarche at age 12 and has about 9 menses per year. She is also concerned about excess facial hair that she tweezes monthly. She denies any breast or nipple discharge. She is single, sexually active, and uses condoms for birth control. Regarding her body weight, she recalls being overweight since adolescence with progressive weight gain to her current and heaviest body weight. She takes no medications. Family history is notable for diabetes in her mother. The patient is 162.5 cm (5 feet 3 inches) tall and weighs 75 kg (165.3 lbs.); BMI is 28.4 kg/m2. Waist circumference is 90 cm (35.4 inches). Pulse is 78/min and blood pressure is 124/80 mm Hg. Physical examination discloses excess hair on the face, chest and inner thighs. Acanthosis noted at the neck. Which of the following is the most appropriate next step in evaluation of this patient’s signs and symptoms?