Flanges & Pumping
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Most pumps come with two flange sizes: 24mm and 28mm. Did you know both of these sizes are too large for the majority of women? It is extremely important to use the correct flange size to optimize comfort as well as output.
A great place to start is with a flange sizing tool, like this free printable. You can also order flange sizing kits, like this one, that come with a measuring tool as well as several different insert sizes.
When measuring for your flange size, you want to find the hole that has the snuggest fit around the nipple with little to no areola being pulled in. This is your starting point.
Next, it is important to watch how your nipples respond during pumping. Sometimes, it is necessary to add 2-3mm to your measurement size in order to get the best flange fit. This all depends on the elasticity of your tissue, which is why flange sizing is a combination of science and art. So how do you know if you need to size up? If you are experiencing any discomfort, pain, or see your nipple(s) rubbing against the flange tunnel, those are all signs you need a larger size. Keep in mind: you may need two different sizes for each breast.
Need help? You can book a virtual flange sizing appointment with me here.
