8. Breast Shield Sizing
1. Medela's PersonalFit
Pumping should not hurt. For maximum comfort and pumping effi ciency, Medela
offers fi ve breast shield sizes.
21
mm
Visit MedelaBreastshields.com to view the full guide to help you determine your
optimal size based on your nipple diameter.
2. Test your breast shield size
1. Start with the 24 mm that came with your pump, or the size determined by
measuring.
2. Center nipple and gently hold breast shield against your breast.
3. Adjust for Maximum Comfort Vacuum™, to achieve optimum suction
level.
4. Refer to images while pumping in expression.
Too Small
Nipple
Areola
• Nipple rubs along
side of tunnel
• Try a larger size
3. Should you try a new size?
• Does your nipple rub sides of tunnel, to the point of causing discomfort?
• Do you see excessive areola being pulled into tunnel?
• Do you see any redness?
• Is your nipple or areola turning white?
• Do you feel unexpressed milk after pumping?
If you answered "YES" to any of these questions, consider trying a new size by
following the measuring instructions above.
If you are still unsure if you selected the correct size, see a lactation consultant,
breastfeeding specialist, or visit MedelaBreastshields.com for assistance in
choosing the right size breast shield.
Caution
Nipple
• While some discomfort may be felt when fi rst using a breast pump, using a breast pump should
not cause pain. If you are unsure about breast shield sizing, please contact a health care
professional or breastfeeding specialist who can help you get a proper fi t.
• If you are experiencing discomfort at the base of the nipple due to rubbing of your breast tissue
against the breast shield tunnel, use of a lubricant such as Tender Care
Areola
benefi cial.
26
26
26
sizing
™
27
mm
Nipple
Areola
Correct Fit
• Nipple is centered
and moves freely
Nipple
Nipple
Areola
Areola
30
mm
Nipple
Areola
Nipple
Areola
36
mm
Nipple
Areola
Too Large
Nipple
Areola
• Nipple and excessive
areola are pulled into
the tunnel
• Try a smaller size
TM
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