Revised: 28 Jun 2008

Breast Pump Glossary
and Breastfeeding Terms   M - Z

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A - C       D - L      M - Z

massaging breast pump
As opposed to the traditional suction-only breast pump, these new pumps do not elongate the nipple as a means to stimulate let-down. The massage is usually applied in some way to the areola, and the nipple remains stationary. For more information, read The New Trend: Massage.
milk collection bags
Marketed under different trade names, these plastic bags are intended for the collection and storage of breast milk. They bear a resemblance to disposable bottle liners but have the notable difference of being thicker and stronger. For this reason milk collection bags are more suited for freezing breast milk and for using with breast pumps that permit attaching bags in place of bottles. Attaching disposable bottle liners to a breast pump will not permit a sufficient suction to be created for the pump to function properly.
milk ejection response (MER)
see let-down.
mmHg
Abbreviation for millimeters of mercury and as it relates to breast pumps it means strength of vacuum or suction. Sufficient pressure is needed to stimulate let-down, not to suction the milk from the breasts as is sometimes erroneously believed. Hospital grade breast pumps have the highest mmHg numbers and are the best for establishing a milk supply in mothers who need help in that area because of low supply issues or a hospitalized newborn. After a supply is well-established some users have found that "less is more" and adjusting the suction lower has enabled better let-down. Fortunately most electric pumps have adjustable vacuum strengths.
multiple user
Hospital grade rental pumps are designed to be multiple user, and rental stations will require the non-refundable and non-returnable purchase of an individual accessory kit for the parts (shields, connectors, tubing) that actually comes in contact with the mother's breast or milk.
open system
A breast pump designed to be used by a single user. The undesirable possibility exists of breast milk entering the tubing and pump motor when the collection container is overfilled or tilted. See also single user.
parts to assemble
As defined on the Breast Pump Comparison pages on this website, all the breast pump parts that must be assembled or disassembled at each pumping session not including motor, AC adaptor or battery pack, milk containers, lids, stands, extra breast shields, totes.
parts to wash
As defined on the Breast Pump Comparison pages on this website, all the breast pump parts that come in contact with the breast or milk, and therefore must be washed every time the user pumps, not counting the receptacle(s) for the milk and the  lid(s).
piston-type manual breast pump
The pumping action is created with a sliding piston and cylinder and requires the use of two hands.

 
rental pumps
See multiple user
single (breast) pumping
Pumping only one breast at a time. Single pumping is useful for pumping one side while the baby nurses the other. For some mothers the ability to single pump enables them to soothe and hold their baby on one side while pumping the other.
single user
Most breast pumps are personal use items intended to be used by one mother only to prevent the transmission of diseases like HIV and hepatitis. See the used breast pumps page for more information.
SoftFit breast shield
The soft, flexible breast shield that massages the breast and areola when breast pumping, manufactured and trademarked by Medela. Can be used with all Medela pumps but the Little Hearts manual breast pump.
stars
Awarded to breast pumps by actual users on amazon.com and epinions.com on a five-star scale with five meaning the best. Reading these reviews may be helpful because they often explain specific difficulties with certain breast pumps.
trigger-type manual breast pump
The pumping action is created with a squeeze handle similar to what one finds on a spray bottle. A one-handed breast pump.
VIA
Avent's sturdy disposable container system for the collection and storage of breast milk. It can be used with all of Avent's breast pumps and some other brands also. The disposable cup bases can be sterilized up to three times and are also suitable for freezing. Bottle nipples in a variety of flows are available to fit the system.
warranty
The warranty for breast pumps should be paid attention to and sales receipts saved. Pumps that get frequent use may wear out before their warranties expire.
Glossary continued:              A - C       D - L      M - Z

Disclaimer: None of the content above should be construed as medical advice and all breastfeeding mothers should strive to educate themselves as much as possible from multiple sources and consult with doctors and lactation specialists as needed.

Notice: This article may be copied “as is” as long as this notice and links to the web pages at the Baby Loves Your Milk website are preserved. Request permission first from before making changes or additions.

 
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Ameda Breast Pumps
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Avent Breast Pumps
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Other Breast Pumps
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Cheap Pumps by Evenflo, The First Years and Gerber
Elan (Dual)
Comfort Select (Dual)
Comfort Ease
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Miscellaneous Pumps
 Un-Reviewed
Dr. Brown's Natural Flow
Other Lansinoh Pumps
PJ's Comfort Electric
Lumiscope Gentle Expressions
Versa Ped foot-powered
Whisper Wear Hands Free
Whittlestone Breast Expresser
 

Breast Pump Comparisons:
Best Personal Electric Breast Pumps (details) 

Economy Personal Electric Breast Pumps (details)

Hospital-Grade Pumps (details)

Manual Breast Pumps (details)

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