Key Concepts
Overview
The uterus is a hollow, thick-walled, pear-shaped muscular organ located in the true pelvis between the bladder and rectum. In its non-pregnant state, it weighs approximately 60–70 g and measures 7.5 cm × 5 cm × 2.5 cm. By term pregnancy, it weighs approximately 1,100 g (1.1 kg) and can hold 5 liters of content. The uterus is the primary organ of gestation and the driving force of labor. On the exam, writers often pair stable-sounding options with unstable data—notice the mismatch before you commit. If the stem names a license or role, reread that line; scope errors are classic trap answers even when the clinical topic is familiar. Run a 60-second scan: breathing work and oxygenation, perfusion and end organs, neuro baseline, likely infection sources, and devices that can fail quietly. When two answers feel partly right, pick the one that reduces imminent harm and matches orders for the role you were given. Train yourself to state the primary risk in one short phrase before you read the options so distractors do not rewrite your priority list. On the...