Breast Pump Flange Sizing Guide

Using the correct size breast pump flange (aka breastshield) can help increase supply and decrease discomfort (although I don't think anyone says 'yay, I love expressing, its so much fun' ;) ).  Over time I have found that this is a good way to decide what size you need*.  Here is an article I wrote about why it is so important

Measure the diameter of your nipple where it meets the breast, do not include any of the areola.  Then use this guide to help you decide what size flange to use.  Click here to buy online (flat rate express postage and AfterPay available)

 

Note that your nipple may get larger over time as it is drawn out from feeding/expressing, or it could decrease as any swelling subsides.  This is the general rule - it may be necessary to try a few different sizes before you find the right fit. 

You are welcome to contact me if you have any questions.  You may also send me a video of you using your current flange - please make sure it is from the beginning of the session, preferably so you can see the nipple at rest before you start the pump

nipple ruler1.PNG

NEW - Click on this picture to download a print at home guide

*I have found the rule of measuring after expressing for 5mins (measuring after expressing) and adding 1-2mm can be inaccurate as the nipple will swell to meet the flange you are currently using which artificially increases the size (its like trying on a t-shirt over a jumper - you either wouldn't do it or know that you can go down a few sizes)

References

Maymom® sizing  guide

Medela® breastshield sizing tool - https://www.medelabreastfeedingus.com/assets/image/Breastshield%20Sizing%20Tool.jpg

These are the flange sizes sold by Cherished Parenting Services.  They are Spectra® compatible, and work with some Medela® breast pumps (see product description for more info), as well as being compatible with other brands/models with other products.  Other companies may sell different sizes.  Please contact me for more information

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