Low milk output & faulty motor...
I bought this pump 8 weeks ago, hoping it would help me build my milk supply so I could exclusively pump. Unfortunately, I've been really disappointed with it. One of the motors already seems to be faulty. It has much weaker suction than the other motor and makes a clicking noise while running. Because of this, I don't feel like my breasts are being emptied properly. Even after pumping for 30 minutes, I express very little milk and often have to pump for close to an hour, alternating the working motor between each breast, just to relieve engorgement and prevent blocked ducts. I also use the 24 mm flanges, and if even a small amount of moisture gets into them, milk leaks back the wrong way and ends up on my clothes instead of in the collection cup. The wearable design also isn't as convenient as I expected. You can't move around much because milk can spill from the top, and the pumps tend to shift inside your bra, affecting milk flow and needing constant repositioning. They're also quite heavy, so you need a very supportive bra to keep them in place. On top of that, I find this pump very painful to use. Even on the lowest suction setting, it's uncomfortable on my nipples. For the price, I expected much better quality and reliability. Based on my experience, I wouldn't recommend this product.
Originally posted on Medela