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Breast Pump Comparisons



What is 2-Phase Expression:

  • Medela developed 2-Phase Expression which mimics a baby's natural sucking pattern. So, when the pump is turned on it will operate at rapid shallow pace for the first 2 minutes to stimulate let down. After 2 minutes the pump automatically switches to a slower deeper suction to more effective remove the milk. If you watch your baby nurse at the breast you will notice that your baby naturally suckles in this pattern. 
    1. What if the brand does not have this technology will I still be able to remove the milk? Simply put - Yes. This is a great feature, but you will still be able to remove milk effectively if your pump brand such as Ameda does not have this feature.

Medela vs Ameda:

  • Both are great pumps. Medela includes 2 Phase Expression and Ameda is more customizable.
  • When using an Ameda pump, the suction and speed are adjusted individually to meet your needs. In the Medela pump the suction and speed are in one dial so when you adjust the suction you will also adjust the speed. More information about Ameda's Custom control can be found on their site: http://www.ameda.com/node/683 .
  • Ameda pumps prevent the milk from entering the tubing.
  • Both include similar warranty.

Medela Pump In Style Adv On The Go Tote and Backpack:

  • the only difference between the two pumps is the carry bag all other contents are the same.
  • You can pump one or both breast.
  • Can be used with power cord or the included battery pack which uses 6 AA batteries)
  • Both Bags styles are discreet, but they really only hold the breast pump parts ( not designed to be used as a diaper bag combo).
  • Motor is attached to the carry bag and cannot be removed.
  • PISA can be used for a mom who is an exclusive pumper, or occasional pumper. Many moms have used this pump for several children. 
  • 1 YR Manufacturer Warranty.
  • These models have been on the market for many years and are great pumps
  • Pumping Action: 2 Phase Expression. Suction Strength: Approx: 50-235mmHg;  Phase 1: 50-200mmHg;  Phase 2: 50-235. Cycles per minute: 50-78 

Medela Pump In Style Adv Metro Bag:

  • The motor is the same in all the Pump In Style Advanced models.
  • The Medela PISA Metro Bag has a larger messenger style bag, the motor is not attached to be bag like the backpack/ shoulder models, and it includes 2 storage pouches and a fold out work surface.
  • The big difference between the Backpack and On The Go Tote is that the motor comes in its very own carry bag. So, if you want to leave the motor at work and just transport the breast pump parts you can.
  • PISA can be used for a mom who is an exclusive pumper, or occasional pumper. Many moms have used this pump for several children. 
  • 1 YR Manufacturer Warranty.
  • These models have been on the market for many years and are great pumps
  • Pumping Action: 2 Phase Expression. Suction Strength: Approx: 50-235mmHg;  Phase 1: 50-200mmHg;  Phase 2: 50-235. Cycles per minute: 50-78.

Medela Freestyle:

  • Introduced to the market in 2008.
  • Super convenient pump - you can pump anywhere with this pump. Since the pump has an internal rechargeable battery you do not need to be near an outlet to pump.
  • Battery stays charged for 3 hours and that will provided about 12-15 pumping sessions depending if you pump for 10 or 15 minutes at a time. 
  • Bra straps are easy to use and attach to nursing bra. But, it your breast are larger than a 40F we suggest purchasing a pumping bra by Medela or Simple Wishes. If you are larger than a 40F the bra straps will not be long enough for you.
  • The pump is small and will fit in the palm of your hand.
  • You can fit other things in the tote style carry bag that comes with the pump. So, you can use it to carry your pump and its parts as well as items you would put in a small diaper bag.
  • Pumping Action: 2 Phase Expression. Suction Strength: Approx: 50-250; Phase 1: 50-50-140mmHg; Phase 2: 50-250 mmHg. Cycles per minute: 50-110

Ameda Purely Yours and Ultra Model:

  • Can be used for exclusive pumper.
  • Can single or double pump.
  • Great quality pump.
  • Electric pump, and can be used in car with car adapter
  • Includes a 1 Yr warranty on the motor.



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