Breast Pump Flange Sizing Guide: Find Your Perfect Fit

Breast pumping shouldn’t be painful — and if it is, your breast pump flange size could be the problem. In this video, I explain how to choose the correct flange size, how to measure your nipple properly, and the clear signs your flange may be too big or too small. Using the right size can improve comfort, protect your nipples, and help maximize milk output. Whether you’re exclusively pumping, combo feeding, building a freezer stash, or preparing to breastfeed, proper flange fit can make a huge difference in your pumping experience. In this video, you’ll learn: • Why breast pump flange size matters • How to measure your nipple correctly • Signs your flange is too small • Signs your flange is too large • How pumping should feel when the fit is right • Tips to improve comfort and milk removal Breastfeeding and pumping come with a learning curve but pain is a sign something needs adjusting. If discomfort continues, consider seeing a lactation consultant for personalized support. 🔗 Helpful Resources: Flange sizing ruler & breast pump: https://www.amazon.com/shop/nursesydn... ‪@LansinohUSA‬ ⏱️ TIMESTAMPS 0:00 What a flange does & why size matters 0:17 Intro & biggest pumping mistake 1:33 What a breast pump flange is 2:05 Understanding flange sizes (mm explained) 3:19 Why proper fit matters (pain & milk supply) 4:10 Signs your flange fit is correct 4:32 Using a nipple sizer & why it’s important 5:02 Nipple size changes postpartum 5:34 How to measure correctly (demonstration) 7:34 Finding the right fit (“Goldilocks” sizing) 9:02 Size BOTH nipples & when to measure 10:12 Lubrication tips for comfort 11:01 Signs your flange size is wrong 11:49 Low milk supply & pump effectiveness 12:09 Pump strength & wearable vs wall pumps 13:02 When to see a lactation consultant 13:24 Pumping taking too long? What to check 14:06 Nurse Sydney’s professional tips 14:53 Final advice & encouragement #breastpump #breastfeedingtips #exclusivelypumping #pumpingmom #postpartumcare #newmomlife #lactationsupport #lowmilksupply #fourthtrimester #newparenttips #maternalhealth #nursesydney