Finding comfort - how do you know what flange size to use

If you're feeling pain while pumping, you might be wondering how do you know what flange size to use to make things more comfortable and efficient. It's one of those things nobody really tells you about until you're sitting there with a breast pump, feeling frustrated because things just don't feel "right." Most pump kits come with a standard 24mm or 28mm flange, but the truth is that breasts and nipples come in all shapes and sizes, and "standard" usually fits surprisingly few people. ...

February 13, 2026 · 7 min · Berit Melinda