How to Find Your Breast Pump Flange Size: A Complete Guide
Posted On: January 8, 2026
At Binson's Medical Equipment & Supplies, we have been dedicated to providing personalized service and high-quality products since 1953. As we expand our services nationwide, our commitment remains the same: ensuring every pregnant parent and birthing parent has the tools and knowledge they need for a successful health journey.
For many breastfeeding individuals, pumping is a vital part of daily life. However, if your equipment doesn't fit correctly, it can lead to discomfort or decreased milk supply. This guide will walk you through the essential steps of measuring your breast pump flange size to ensure maximum comfort and efficiency.
Why Flange Sizing is Critical for Pumping Success
A breast pump flange (also known as a breast shield) is the funnel-shaped piece that fits directly over your nipple. Getting this size right is not just about comfort; it is a fundamental component of effective pumping.
Optimized Milk Flow: A correct fit helps ensure that
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