GCUS The Fetal Heart Screening Exam 2021 (VIDEOS) 
Since 2003, nearly all medical students in the United States have trusted UWorld to prepare for their licensing exams. Being at the forefront of medical education gives us an obligation to provide students with only the best practice questions and explanations. Our goal is not only to prepare you for the USMLE, but to help you become a better clinician.
3,600+ challenging USMLE Step 1 questions
- Real-life clinical scenarios test high-yield basic science concepts
- Content created by practicing physicians with extensive experience
- Continuous updates to maintain high standards of excellence
In-depth explanations
- Conceptual focus on important preclinical and clinical topics
- Detailed explanations for incorrect options
- Vivid illustrations to help master the content
Performance and improvement tracking
- Exam-like software interface
- Highlighting of relative strengths and weaknesses
- Performance gauging with peer-to-peer comparison
