A 28-year-old woman presents with new onset worsening fatigue, present for approximately the last month. She is 28 weeks pregnant with her second child, has a 1.5-year-old healthy child at home, says she remembers being tired towards the end of her pregnancy with her first child, but states, “This is worse than with my last pregnancy”. She denies vaginal bleeding or discharge, abdominal pain, or other concerning issues, is sleeping about 7 hours per night, and has adequate access to nutritiou...