Which breast pump is best? A simple, single question with a nearly infinite number of complex answers. Ask 100 breastfeeding moms and you’ll get 100 answers. One pump has great reviews on Amazon, but many mothers claim it didn’t work well for them. Your friend insists that another brand is amazing, but you buy it and it’s a dud for you. The lactation consultant recommends a brand you’ve never heard of. The insurance company offers you 6 different options, and let’s not even start on what Google has to say. Why is there so much conflicting information?