Why Your Wearable Breast Pump Isn't Emptying You (And How to Fix It)

Not Getting Enough Milk With Your Wearable Pump? You're Not Alone

Wearable breast pumps are everywhere right now ~ and for good reason. They're convenient, discreet, and allow you to pump while living your life.

But here's what many parents quickly discover:

Your wearable pump isn't removing as much milk as you expected.

If you've found yourself wondering:

• Why isn't my wearable breast pump emptying my breasts?

• Why am I getting less milk with my wearable?

• Is my supply dropping?

• Is something wrong with my body?

~ The answer is usually no ~ but something is off.

And it's almost never just the pump ~

What "Emptying" Actually Means (And Why It Matters)

"Emptying" doesn't mean your breasts are literally empty.

It means:

• Milk has been removed efficiently enough

• Your body receives the signal to keep making milk

• You feel softened and relieved after pumping

When a pump doesn't empty you well:

• Milk supply can decrease over time

• You may feel full, uncomfortable, or clogged

• Output becomes inconsistent

~This is where many wearable users run into problems~

Why Wearable Pumps Work Differently

Wearable pumps are not just "cordless versions" of traditional pumps ~ they function differently in key ways:

1. Less Customizable Suction and Cycle Speed Settings (but high-end luxury pumps are adopting that feature)

   
   

   Currently Most Wearables:

   ~ Offer fewer fine-tuned settings

   ~ Don't mimic infant sucking patterns as effectively

   
   

2. Flange Fit Is Harder to Optimize

   
   

   Unlike traditional pumps:

   ~ You can't always see nipple movement clearly

   ~ Tunnel alignment is harder to see and adjust

   ~ Subtle fit issues are hard to visualize

   
   

   
   

3. Wearable Bra Fit Is CRITICAL For Optimal Milk Removal

   
   

   Unlike most traditional nursing or hands free pumping bras:

   ~ Wearable Pump Bras must fit snuggly around the chest, acting as a strong shelf,

   supporting these much heavier pumps

   ~ Wearable Pump Bras must press wearable pump flanges snuggly against the

   breasts, thus, requiring nipples to have on average, a 1-2mm larger flange

   size/insert than a traditional plastic flange size, which is closer to actual nipple

   size

   ~ Wearable Pump Bras must be adjusted tighter for pumping and adjusted looser

   once the pump is removed from the bra, for comfort

   ~ Women buy wearable pumps for convenience (multi-tasking) and discretion

   (work environment). Most parents today are BUSY and don't want to or CAN'T

   stop what they are doing to pump, or let anyone else know they are pumping. If

   the bra doesn't check all the boxes above, the pump can shift ever so slightly and

   the milk output can suffer dramatically; thus, leaving many parents feeling their

   bodies are broken

4. Pumps Are Robots and Don't Adapt to Your Body Like Your Baby Does

   
   

   Your body has a unique milk ejection pattern and flow rhythm:

   ~ Wearable Pumps run on preset programs (DIY customization just hit the market!)

   ~ Do not respond to your physiology

This mismatch is the root of most pump output issues

5. Reasons Your Wearable Pump Isn't Emptying You

Your Flange Size Is Slightly Off

Even being off by 1-2 mm can:

~ Reduce milk removal

~ Cause swelling that worsens

output over time

Your Flange Insert Isn't Optimal

~ It's shape doesn't

complement

your breast

~ It's material isn't as

comfortable as others

~ It's tunnel is too short/long

for your nipple size/elasticity

Your Bra Fit Isn't Optimal

~Pumps tilt forward off your

breasts thus unable to

remove any milk

~Pumps are smashed too tight

against your breasts

inhibiting milk removal

~Pumps have shifted slightly

and now your nipple

alignment is off

~ Your heavy pumps are

suspended too low in the bra

not aligning with your nipples

Your Settings Don't Match

Your Body's Letdown Pattern:

Many parents:

~ Stay in stimulation mode

too long

~ Switch to expression mode

too early

~ Set suction too low or high

in either mode

~ Follow pump setting

recommendations

they find on social media

~ Only use the pre-programed

settings the pump has

Result: missed/weak/

incomplete letdowns

You're Not Triggering Multiple

Letdowns

~ Pumping sessions usually

include 2-4 milk letdowns

~ Most parents don't realize

they need to (or can!) trigger

multiple letdowns

~ Most parents don't

understand how to trigger

multiple letdowns

Result: if only one milk letdown

occurs,

upwards of 30-50%

of your milk supply

is left behind in your

breasts, thus tanking

your milk supply!

Multi-Tasking While Pumping Is Sabotaging your Body's Rhythms

~ Increased adrenaline and cortisol hormones (stress) suppresses the oxytocin

hormone (milk letdown hormone)

~ being more relaxed and intensional during your pumping sessions makes ALL the

difference in your pumped milk volume ~ SERIOUSLY

~ the oxytocin hormone triggering milk letdowns, is the same hormone triggering

labor contractions, is the same hormone triggering ~ orgasm. Being strictly

biological here, climax can't be reached if the human isn't dialed into "that zone".

Milk letdowns are no different! It's no secret that stressed cows and chickens

can't letdown their milk or lay their eggs if there is too much noise or chaos

around their barns or coups. These distractions are serious mood killers!

All farmers know this first hand. In the end, we humans are sensitive mammals!

Much needed levity, here;)

6. You're Relying on Wearables Too Often

Wearables are great tools ~ but not always ideal as your primary pump, especially:

~ Early postpartum

~ During supply dips

~ If you already struggle

with output

~ You're a first time parent breastfeeding and pumping

~ If not exclusive pumping, your BABY is your primary pump

~ Yes, wearable pumps CAN be your primary pump, BUT ~ (another blog post soon)

~ Pro-Tip: ALWAYS breastfeed your baby when with you and awake. They are approximately 30% more efficient at breast emptying than any pump ~

7. Your Body Needs TIME & TRAINING to Respond To A Wearable Pump

This is the part most people don't know:

~ your letdown reflex is both a

hormonal response AND a trained response

~ Wearable pump technology is finally acknowledging this training

part and catching up with reality

BUT these luxury pumps are more

expensive and not usually covered

by insurance

How to Fix Why Your Wearable Breast Pump Isn't Emptying You (Based on Your Body)

1. Reassess Your Flange Fit

   ~ Measure both nipples with a silicone nipple measuring tool 2 hours after your last

   pumping session or 1 hour after your last breastfeeding. This timing matters as

   it allows for naturally occurring swelling to decrease

   ~ On average, add 1-2 mm to your nipple measurement and

   place the corresponding flange/flange insert into the pump.

   Adjust size as necessary for

   comfort and output optimization

2. Reassess and/or Change Your Flange Insert

   ~ If your pump flange inserts don't complement your breast anatomy, consider

   trying other flange inserts: different brands, styles, lengths, shapes, or materials

3. Customize YOUR Pump Settings

~ Start in stimulation mode, with the lowest suction level. Slowly

increase suction to a comfortable level that feels

just like gentle tugging, no discomfort

~ When the milk starts to flow consistently well (a milk letdown), switch to

expression mode. Start with the lowest suction again and slowly increase

suction until it feels just like gentle tugging, no discomfort

~ When milk flow starts to slow, switch pump back to stimulation mode to trigger

another milk letdown. Most pumps will go back to the previous stimulation

suction setting used, but again be sure the pumping feels just like gentle tugging,

no discomfort and adjust as necessary

~ Continue cycling back and forth between stimulation and expression mode at

least 3- 4 times during a pumping session to closely mimic the milk letdowns a

baby would demand during a feeding

~ If you have a pump that has heat or vibration capability, utilize them, as well, if

they stimulate and/or complement your body rhythms

~ Consciously pay attention if/when you breastfeed next, how many times your

baby demands a milk letdown and how long it takes for your body to let down the

milk after your baby starts sucking faster. Mimic your baby's settings on your

pump!

4. Watch Your Body's Response ~ Not the Clock

~ Dismiss the pump's preset timing for stimulation mode (2-3 min usually)

~ Forget social media "Perfect Settings" posts (your body's rhythms are unique)

~ Forget timed advice "Pump for 15 minutes" (your body's rhythms are unique)

~ Ideally, the goal of emptying your breasts fast and efficiently, is within 30min, but

wearables can sometimes take a little longer, just watch for nipple damage longer

than 30 min

 ~ Result: following your body's natural letdown rhythms will result in your breasts feeling softer and much emptier ~

5. Wear a Properly Fitted Bra Compatible With Your Wearable

~ Measure yourself with a flexible, soft measuring tape:

~Around your rib cage just below your breasts

~Around your body where your breasts are at their fullest

~Compare your measurements with a bra sizing chart

~ Understand that your bra size likely will change over the course of a year. Stay

aware and remeasure, just like you would nipple re-measuring and flange sizing

~ If unsure about measuring yourself, invest in a professional, postpartum bra

fitting (FYI, they are available virtually and free!) There are some great

pregnancy/postpartum bra companies!

~ It goes without saying that bra material, over time and multiple washings, will start to stretch. Realistically, you will need to replace bras more frequently if you only invest in a few at a time (I know, they are expensive). Idealy, having a rotation of 5-7 bras that you can change out daily.

6. Dial Into "The O-Zone" To Trigger Your Milk Letdowns

~ If you need to multi-task while pumping, try decreasing the amount of distraction

you have around you ~ simplify while pumping

~ Some parents find listening to meditation like music or (don't laugh!) a recording

of their baby starting to fuss or cry, helpful for milk letdowns

~ Do whatever works for your body/hormones to trigger a milk letdown

7. Replace Your Pumps' Duck Bills And Diaphragms With New Ones

~Depending on how often you use your pump, these silicone parts

do wear out and decrease suction. Follow your pump's guidelines for replacement

but also pay close attention to any decrease in pumped milk volume and replace

duck bills and diaphragms immediately.

~ Be aware, sterilizing silicone duck bills and diaphragms in high temperature bottle

washers, dishwashers, or microwave sterilization bags, will shorten these parts'

lifespan due to heat induced warping. Warping can not only diminish the suction

of your pumps but create pathways for liquid (breast milk or water) intrusion,

leading to premature pump death. Pump warranties DO NOT cover liquid

intrusion!

8. Your Pumping Schedule

I have left this intentionally at the end because this blog post is about why your breast pump isn't emptying you. Your milk supply is dependent on many variables, not only how well you empty your breasts, but how frequently your breast anatomy requires emptying to fulfill your baby's breast milk needs. I'll just leave this right here for now so you remember that if you don't frequently empty your breasts, on average of 8-12 times a day either with a baby, breast pump, or both, your milk supply will decrease.

When To Stop Using a Wearable If It's Your Primary Pump

You may need to shift strategies if:

~ Breast milk output keeps decreasing

~ You feel consistently full after pumping

~ You're developing clogs or discomfort

~ Your baby isn't gaining weight well (if pumping for feedings)

When To Get Expert Help

If you've tried all the recommendations above and it's not helping ~ you don't need more guessing or doom scrolling Dr. Google, Tik-Tok, Instagram or AI (that's yet another blog post) ~ you need individualized guidance. Bottom line ~ wearable breast pumps are game changers but they are not one-size-fits-all. Breast pumping isn't just about the pump, it's about how your body responds to the pump and the support necessary for these pumps to be optimal. Your body's not broken, you just need an informed approach.

You Don't Have To Figure This Out Alone

An IBCLC trained in wearable pumps can help you:

~ Optimize your pump settings

~ Find your true flange fit and bra fit

~Improve milk removal

~ Protect (and even increase) your milk supply

Book a consult with The Art of Lactation and get help creating a pumping plan uniquely tailored for your body. We'd be honored to help you and your baby meet your breast milk goals! Let's get started, shall we?!

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