"That's clearly a myth," says George Saade, chief of maternal-fetal medicine at The University of Texas Medical Branch in Galveston.
“这完全是误传，”加尔维斯敦德州大学医疗分部母胎医学行政长官George Saade说。
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How much the belly sticks out depends largely on how far the abdominal muscles flanking the left and right sides of the belly separate and relax, Saade explains.