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OBG · Infertility
Sample itemWhen is hysterosalpingography best performed in an infertility work-up?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. After menstruation has stopped and before ovulation
Hysterosalpingography assesses the uterine cavity and tubal patency and is timed to the early follicular phase, after bleeding ceases and before ovulation. This avoids irradiating or flushing a possible early pregnancy and lets the thin endometrium give clear images.
Option by option
A. After menstruation has stopped and before ovulation (correct)
Correct. This timing ensures no pregnancy and avoids menstrual debris that mimics filling defects.
B. During active menstrual bleeding
Active bleeding can obscure the picture and raises the risk of ascending infection.
C. In the late luteal phase
Luteal-phase timing risks exposing a possible early pregnancy and a thick endometrium obscures detail.
D. Immediately after a positive pregnancy test
A pregnant uterus should not be exposed to the procedure.
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.
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