This OB/GYN sonography question bank is specifically designed to prepare candidates for ARDMS obstetric and gynecologic certification pathways. It focuses on fetal anatomy, biometric measurements, placental evaluation, amniotic fluid assessment, pelvic anatomy, and gynecologic pathology frequently tested in U.S. certification exams. The content emphasizes clinical reasoning, pattern recognition, and exam-oriented decision-making. Questions reflect real ARDMS complexity levels, integrating gestational age assessment, fetal growth abnormalities, ectopic pregnancy, uterine pathology, and ovarian lesions. Updated terminology and imaging criteria ensure alignment with current diagnostic standards. This category improves diagnostic accuracy, measurement confidence, and exam performance by exposing students to high-yield topics and commonly tested scenarios. It is ideal for sonography students, OB/GYN ultrasound professionals, and international candidates aiming to achieve ARDMS certification and practice legally as Medical Sonographers in the United States.