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Pumping

How an IBCLC Helps With a Breast Pump & Flange Fitting Consultation

RRoshena Moledina, RN, BScN, IBCLC · 5 min ·June 5, 2026
How an IBCLC Helps With a Breast Pump & Flange Fitting Consultation

Pumping is supposed to be comfortable and efficient, and when it isn’t, the most common (and most overlooked) reason is flange size. Many parents pump for months with the default size that came in the box, never realizing a small change could transform the experience.

Why fit matters so much

A flange that’s too large or too small can cause pain, reduce milk output, and even affect supply over time. The right fit lets your nipple move freely, drains the breast more effectively, and makes each session shorter and more comfortable.

Good to know: flange sizing is based on your nipple diameter, not breast size, and it can change over the course of your feeding journey. A quick reassessment now and then is completely normal.

How a virtual fitting works

  • You send a few photos and your pump’s make and model through a secure platform.
  • You measure with a printable ruler I provide.
  • I recommend a flange or insert size, with links to buy exactly what you need.
  • We meet for a short live session to confirm the fit is comfortable and effective.

Flange fitting is also included automatically in every full IBCLC consultation, so if you’re already booking a feeding visit, it’s part of the care.

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Questions & answers

Related questions

Still wondering about something? Reach out any time. I'm happy to help you find the right next step.

After booking, you'll send a few photos and your pump's make and model through a secure platform, and I'll provide a printable ruler to measure. I review everything, recommend a flange or insert size with links to purchase, then we meet for a short live session (about 15 minutes) to confirm the fit is comfortable and effective.

Yes. We'll create a pumping schedule that protects your supply, choose the right equipment and flange size for comfort, and set up simple milk-storage and bottle routines your caregiver can follow. The goal is a plan that fits your real workday, so the transition feels manageable, not overwhelming.

No, flange fitting is automatically included in every IBCLC consultation. The standalone virtual assessment is designed for parents who mainly want to optimize pumping comfort and output without a full feeding consultation.

Have a question that isn't here? Send me a message and I'll answer personally.

You don't have to figure this out alone

Ready to feel confident about feeding?

Request an appointment and we'll build a calm, practical plan together, tailored to you, your baby, and your goals.

Compassionate, evidence-based care · in-home & virtual · 1 week of follow-up messaging included
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