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OBG · Antenatal care: pregnancy after bariatric surgery
Sample itemA woman who had a Roux-en-Y gastric bypass 8 months ago wishes to conceive. What advice is most appropriate?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Delay pregnancy until at least 12 months after surgery and screen for nutritional deficiencies
Rapid weight loss in the first 12 months or more after bariatric surgery makes pregnancy less advisable, and malabsorption can cause iron, B12, folate and calcium deficiency. Preconception counselling includes micronutrient supplementation and monitoring. Pregnancy is otherwise possible and often safer than with severe obesity.
Option by option
A. Delay pregnancy until at least 12 months after surgery and screen for nutritional deficiencies (correct)
Correct. Waiting allows weight to stabilise while deficiencies are corrected.
B. Conceive immediately, since weight loss improves fertility without any risk
Early pregnancy during rapid loss risks fetal growth problems and deficiencies.
C. Avoid antenatal visits as her weight is falling
Antenatal care needs closer monitoring in this group.
D. Stop all vitamin supplements to prevent excess weight
Supplements are more important after malabsorptive surgery.
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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