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OBG · Early pregnancy
Sample itemWhat ultrasound finding confirms an intrauterine pregnancy?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Yolk sac within a uterine gestational sac
A yolk sac within an intrauterine gestational sac confirms pregnancy location, while nonspecific fluid or decidual change cannot do so alone.
Option by option
A. Yolk sac within a uterine gestational sac (correct)
Correct: yolk sac inside the uterus confirms location.
B. Free pelvic fluid alone
Free fluid may be concerning but does not confirm location.
C. Thick endometrium without a sac
Endometrial thickening is nonspecific.
D. Empty bladder on scan
Bladder state affects views but is not diagnostic.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.