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OBG · Labour: obstructed labour
Sample itemA woman with 2 days of labour has a distended bladder, a tender lower abdomen and an oblique groove at the level of the umbilicus. What is this groove called?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Bandl's ring
Bandl's pathological retraction ring is a visible groove between the thickened upper segment and the overstretched lower segment in obstructed labour. It is a warning of impending rupture. Management is relief of obstruction by caesarean section.
Option by option
A. Bandl's ring (correct)
Correct. Bandl's ring signals obstructed labour.
B. Pawlik's groove
Pawlik's grip is a palpation manoeuvre, not a groove.
C. Linea nigra
Linea nigra is a pigmented abdominal line.
D. Colles' fascia
Colles' fascia is a perineal fascia.
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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