If you're pumping for 20–30 minutes and getting a fraction of what your baby takes at the breast, in many cases it isn't low supply at play — it's the flange (the funnel-shaped part that goes over your nipple). Budget Indian electric pumps, including Luvlap models, tend to ship with one standard flange size in the box, and that size fits only a narrow range of nipples.
Not medical advice — consult a lactation consultant (IBCLC) or your pediatrician if low output continues after you've checked fit.
Why This Trips Up So Many Parents in India
Pumps sold here — Luvlap, and other electric pumps in the Rs. 2,000–6,000 range — are built for a mass market, so the box comes with just one flange size, sometimes two. There's no fitting session at the store, and nobody tells you at the hospital that the part touching your body is a major factor in how much milk actually comes out. It's easy to assume the pump is faulty, or that your body isn't responding to pumping, when the funnel is the real issue.
A 2025 pilot study in the Journal of Human Lactation found that nipple bases can be as small as 10mm, with an average around 17mm, yet "many major pump manufacturers lack sizes less than 21 mm." In other words, the flange sitting in your pump box was never guaranteed to be your size — it's a manufacturing default, not a medical fit.
How to Tell Your Flange Doesn't Fit
Cleveland Clinic explains that with a correctly fitting flange, "your nipple moves freely in the flange tunnel," you don't feel pain, and you're able to express milk effectively. If pumping hurts, if your nipple rubs the sides of the tunnel, or if a ring of areola is being pulled in with it every cycle, the size is off.
La Leche League International advises that a flange should feel "not too tight, nor too loose" against the breast — both extremes cause problems, just different ones. Too tight and the tunnel rubs and traps tissue; too loose and the breast doesn't seal properly, so suction leaks and milk removal suffers.
Fit isn't only about comfort. A randomized controlled trial in the Journal of Human Lactation found that "pressure on the ducts and tissue in this area by a poorly fitting breast shield flange may restrict milk flow during milk ejection" — so an ill-fitting flange can directly cut down how much milk you're able to remove in a session, independent of your actual supply.
Finding the Right Size
There's no single number that works for everyone, and that same 2025 pilot study found flange fit needs to be individualized — many mothers need to try more than one size before landing on the right one. Since most Indian pumps only bundle one or two sizes, you'll likely need to buy flange inserts or a separate size separately once you know roughly what you need.
A rough way to check: after a feed or a pumping session, look at your nipple. If it looks pressed white or an oval "stripe" ring at the base where it met the tunnel, the flange is too small. If a lot of areola is drawn in, or your nipple barely reaches the top of the tunnel while pumping, it's likely too large.
If you'd rather start with a number before you buy anything, an NHS-hosted flange-fitting guide by an IBCLC advises measuring the width of each nipple tip separately (they can differ) with a cm/mm ruler held near but not touching the nipple. Use that measurement as your starting point, not a final answer — on a low suction setting, try one flange a little smaller than what you measured, one about the same size, and one a little larger, and go with whichever glides comfortably and drains fastest.
| Sign during/after pumping | What it usually means |
|---|---|
| Nipple rubs or drags on tunnel wall; skin looks pinched | Flange too small — go up a size |
| Areola pulled in with the nipple; nipple doesn't reach the neck of the tunnel | Flange too large — go down a size |
| Nipple moves freely, no pain, steady letdown | Fit is likely right for you |
Getting More Milk Out Once the Fit Is Right
Even with the correct flange, technique matters. The NHS advises starting on the lowest suction setting rather than the maximum one — a higher number doesn't mean more milk, and pumping on full power can hurt or damage the nipple.
A study in the Journal of Perinatology found that adding hand expression and gentle breast compression to electric pumping — often called hands-on pumping — let mothers express additional milk beyond what the pump alone removed. Massaging toward the nipple for a minute before you start, and compressing the breast gently while pumping, is worth doing every session, not just when output looks low.
Protecting Your Supply Along the Way
If your baby isn't feeding directly at the breast for some sessions, the American Academy of Pediatrics states that milk should be expressed about as often as the baby would otherwise feed — at least 8 times in 24 hours — to keep supply signaling going.
Skipping sessions because pumping is uncomfortable, or letting long gaps build up while you sort out flange sizing, has its own risk. Cleveland Clinic explains that "skipping feedings or pumping sessions or going too long between feedings" is a common cause of a clogged milk duct. If a flange refit means fewer, longer pumping gaps while a replacement arrives, try to keep at least a quick hand-expression session in between so a duct doesn't back up.
Sizing Kits and Where to Buy
Once you have a rough sense of your size from the checks above, buy silicone flange inserts or a replacement flange in that size rather than a whole new pump — most Indian electric pumps use a standard tunnel width that inserts fit into.
| Product | Typical Price | Where to Buy |
|---|---|---|
| Silicone flange insert / reducer set (multiple sizes) | Rs. 300 – Rs. 700 | Amazon.in / FirstCry |
| Replacement flange, single size (21mm–28mm range) | Rs. 200 – Rs. 500 | Amazon.in |
| Breast pump flange sizing kit | Rs. 500 – Rs. 1,200 | Amazon.in / FirstCry |
If you're shopping for a pump from scratch, look specifically for a model that lists more than one flange size in the box, or confirm online that separate size inserts are sold for it before you buy.
Frequently Asked Questions
My Luvlap (or other budget) pump only came with one flange size — what now? Check fit using the signs above. If it's off, a whole new pump isn't necessary — buy a silicone insert or a replacement flange in a different size that fits the same tunnel, typically for a few hundred rupees.
How do I know my exact flange size without a lactation consultant visit? There's no single reliable at-home measurement, since fit needs to be individualized and manufacturers size things differently. Use the comfort and pull-in checks above as a starting point, then buy an inexpensive multi-size insert kit and try a couple of sizes rather than guessing once.
Is some discomfort normal when pumping, or should it never hurt? Cleveland Clinic's fit checklist is clear that you shouldn't feel pain or discomfort with a correctly fitting flange. Ongoing pain is a sign to change size or technique, not something to push through.
Why am I getting so little milk even after changing the flange? Give the new size a few sessions, start on low suction rather than maximum as the NHS advises, and add hand compression while you pump — this combination has been shown to remove more milk than the pump alone. If output is still very low after a week of correct fit and technique, talk to a lactation consultant or your pediatrician.
How often do I need to pump if my baby isn't nursing directly? The AAP's guidance is at least 8 times in 24 hours, spaced roughly as your baby would otherwise feed, to keep your supply signaling steady.
Can a bad flange fit actually cause a clogged duct, not just low output? Indirectly, yes — going too long between pumping or feeding sessions raises the risk of a clogged duct, and painful, ill-fitting sessions are exactly what make parents skip or shorten sessions. Fixing the fit usually means you pump more consistently, which helps prevent this too.
