I have pain or discomfort

My nipple is swollen after expressing 

Your flange size may be too big. See here for more on how to check and choose the right flange size for you.

My nipple feels like it’s being jammed or stuck in the pump flange or tunnel 

Your flange size may be too small. See here for more on how to check and choose the right flange size for you.

My nipple is sore  after expressing 

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