Solve exciting clinical cases specific to your field of interest via Docplexus’ clinical case challenge. In this ‘Endocrinology Case Challenge’, join your fellow doctors to discuss and answer today’s question regarding ‘Appropriate first step evaluation’. A 23-year-old woman is evaluated after having no menses for 6 months. She began menstruating at age 12 years, and menses have always been regular. The woman reports no recent weight gain, voice change, or facial hair growth. The woman has recently lost some weight and tends to feel warm.

She is not sexually active. There is no family history of infertility or premature menopause. Physical examination: Temperature is normal Blood pressure is 115/72 mm Hg Pulse rate is 66/min Respiration rate is 14/min BMI is 2B She has no acne, hirsutism, or galactorrhea. Her thyroid gland is slightly enlarged. Visual field testing yields normal…