How Gastric Bypass Reduces Stomach Size and Limits Food Intake
In gastric bypass surgery, the surgeon divides your stomach to create a small upper pouch, roughly the size of an egg (about 15-30 ml in volume). This pouch becomes your new, functional stomach.
Because this pouch is much smaller than your original stomach, it can hold only a small amount of food at a time. This means:
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You feel full much faster after eating just a small portion.
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Your overall food intake is significantly reduced.
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You naturally eat less without feeling hungry all the time.
This stomach size reduction is a key factor in helping patients achieve sustained weight loss after gastric bypass surgery.