6. Assembling the breast pump
Only use clean and dry parts for assembly. Refer to chapter 5 for cleaning.
6.1 Selecting the correct breast shield size
Nipple
measure
Nipple base
Areola
1. For proper sizing, measure the diameter of your nipple.
2. Select the breast shield that is slightly larger than your nipple.
For more information on breast shield sizing, visit or MedelaBreastShields.us (U.S.)
6.2 Assembling the pump set
Parts needed:
• Pump set
• Breast shields
• Connector bodies
• Membranes
• Bottles
Measure
nipple diameter
(Ø mm)
Up to 17
Breast shield size
21
(Ø mm)
To prevent contamination of your milk:
• Wash hands thoroughly with soap and water before
touching the pump unit, parts of the pump set and
breasts.
• Dry your hands with a fresh towel or a single-use paper
towel.
• Avoid touching the inside of bottles and lids.
To make sure that your breast pump works properly
and safely:
• Check pump set components for wear or damage
before use. Replace if necessary.
• Always inspect all parts prior to use for cleanliness.
If dirty, clean according to chapter 5.
• Only use genuine Medela parts. See chapter 13
for details.
Up to 23
Up to 20
24
27
• Pump unit
• Tubing
CAUTION
Up to 26
30
19