You’d think that the stronger a breast pump can suction, the better. But before you crank that pump to the highest setting, make sure you know the benefits (and risks) of doing that. Breast pump suction power is measured in mmHG (millimeters of mercury), the standard unit of measuring vacuum pressure. Studies were done on babies sucking at the breast and breasts pump suction levels are based off what we know of how babies remove milk from the breast. The suction level, or vacuum, is different th