A plurality of nipple shields are disclosed, with each nipple shield having a protrusion that terminates with an aperture encompassing the top circumference (i.e., open top) for allowing a nipple to exit. Each nipple shield may be used alone or in combination, as a system of nipple shields. A first nipple shield may have a first base and a first protrusion terminating in a first aperture. A second nipple shield may have a second base and a second protrusion with a second aperture that is greater than the first, and a third nipple shield may have a third base and a third protrusion with a third aperture greater than the second.
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