system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 43-year-old woman presents to her physician’s office complaining of fatigue and light headedness for one month. She has regular periods but notes that they have become heavier in the last year. She endorses increased urination and feels that she has gained weight in her abdomen, but review of systems is otherwise negative. She is a daycare teacher and has a first cousin with von Willebrand disease. Temperature is 98.4°F (36.9°C), pulse is 92/min, blood pressure is 109/72 mmHg, and respirations are 14/min.

A CBC demonstrates:
Hemoglobin: 9.9 g/dL
Leukocyte count: 6,300/mm^3
Platelet count: 180,000/mm^3

Which of the following is the best next step to evaluate the etiology of this patient’s findings?
assistant
Pelvic ultrasound