Power Pumping vs Cluster Pumping - Which is Better for Increasing Milk Supply?

As a retired IBCLC with 30+ years experience in breastfeeding support, I am not sure that power pumping is the best method for increasing milk supply for every mom.  The method has limited scientific research and can cause moms quite a bit of frustration with such ridged and lengthy pumping sessions. Not to mention friction when dry pumping. While nipple stimulation does sustain hormone signals, research supports that regular extraction is the source of increasing milk supply.  Apart from moms who are relactating or inducing lactation, cluster pumping is a better method than power pumping because there is more milk to extract every 2 hours than there is when pumping again in 10 minutes. For clarity, I have outlined the power pumping method and cluster pumping methods below for moms with babies under six months below. While we are listing these times as pumping, nursing sessions can and should be used in place of these when possible.

Power Pumping 

60 minutes session once per day as below; pump an additional 7 x daily for 20 min. 

• Pump 20 minutes

• Rest 10 minutes

• Pump 10 minutes

• Rest 10 minutes

• Pump 10 minutes

Cluster Pumping 

Pump every 2 hours with one 4 hour stretch. The schedule below includes cluster pumping during the midnight to 5am window that prolactin milk producing hormone is the highest.

• Pump @ 12am

• Pump @ 2am

• Pump @ 4am

• Pump @ 8am

• Pump @10am

• Pump @ 12pm

• Pump @ 2pm

• Pump @ 4pm

• Pump @ 6pm

• Pump @ 8pm

• Pump @10pm

Power pumping is normally used for one week daily and a second week every other day.  Cluster pumping is meant to closely imitate an infant's growth spurt and results should be evident after 7 days of the outlined schedule.

No matter how many years go by, research has never found the principle of supply and demand to be refuted.  Better extraction through waiting long enough for milk to build and simulating a natural way baby's cluster nurse is my recommendation.  And remember, better extraction with a breast pump means a double electric breast pump with properly sized flanges and optimally not a wearable breast pump. If you own a wearable, it is for convenience.  Your electric breast pump should always be your main breast pump. But having said that, the best breast pump is the one you will actually use.

Here's to demand for supply!

Tanya

Hospital Grade Breast Pump Comparison for Corporate Lactation & Clinical Lactation

Hospital grade breast pumps also know as multi-user breast pumps are often used for corporate lactation and clinical settings. There are three we most often recommend.  

	Ameda Pearl	Ameda Platinum	Spectra S3 Pro
Pump Type	Hospital-grade, multi-user	Hospital-grade, multi-user	Hospital-grade, multi-user
Power Source	AC + rechargeable battery	AC only (plug-in)	AC + rechargeable battery
Suction Range	Up to ~250 mmHg	Up to ~250 mmHg	Up to ~270 mmHg
Cycle Speed	Stimulation: ~80–120 CPM Expression: ~30–48 CPM	Adjustable speed, ~30–80 CPM	Adjustable, up to ~70 CPM
Modes/ Adjustability	Stimulation & expression; customizable settings	Fully adjustable vacuum & speed	Adjustable suction & cycles
Closed System	Yes	Yes	Yes
Portability	Portable due to internal battery	Least portable; plug in	Portable due to internal battery
Noise Level	Moderate	Moderate	Relatively quiet
Durability/Use Intensity	For frequent clinical and rental use	Heavy-duty clinical workhorse	For hospital and high-use settings
Typical Use Settings	Hospital, clinic, rental, home use	Hospital, NICU, rental	Hospital, clinic, rental, transitional home use
Available Flange Sizes	25mm, 28.5mm, 30.5mm Inserts: 11mm–21mm	25mm, 28.5mm, 30.5mm Inserts: 11mm–21mm	16mm, 20mm, 24mm, 28mm, 32mm

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An important detail to consider is the availability of flange sizes for these pumps.  Ameda has very few flange sizes, but does offer flange inserts to help reduce the flange size as needed.  Spectra offers flange sizes 16mm-32mm without having to use an insert. Warranty is another consideration. The Ameda Pearl and Ameda Platinum carry a 3 year warranty on pump mechanism while the Spectra S3 Pro offers a 2 year warranty.

Summary

Ameda Platinum

• The most traditional hospital/NICU workhorse

• Plug-in only (no battery)

• Excellent for continuous, high-volume clinical use

• Often chosen for NICUs and long-term rentals

• 3 year limited warranty

Ameda Pearl

• Hospital-grade performance with added portability

• Internal rechargeable battery

• Good balance between clinical strength and flexibility

• Suitable for clinics or parents needing occasional portability

• 3 year limited warranty

Spectra S3 Pro

• Strong hospital-grade suction with Spectra’s comfort-focused design

• Internal rechargeable battery

• Closed system with intuitive controls

• Often preferred for comfort-oriented users transitioning between hospital and home

• More flange sizes available without using inserts

• 2 year limited warranty

Depending on your needs, any of these three pumps are exceptional choices for your corporate lactation or clinical needs.   Available at Lactation Connection.

Here's to productive purchasing,

Tanya

Relactation Protocols for Bringing Back Milk Supply

If you are considering relactation, your foundation for success is frequent, effective milk removal.  And the good news is that your breasts have made milk previously and mammary tissue and prolactin (milk producing hormone) receptors are established. It can take time to re-establish milk supply so be ready to put the effort in for the length of time that it has been since you last nursed.  For example if it has been two weeks, you may be able to relactate in as little as two weeks.  If it has been two months, it may take that long.  However, the protocols below may help expedite this process.

Protocols

• Frequent pumping or nursing (8–12x/day, including overnight when prolactin levels are highest)

• Latch your baby on if possible.  Feeding tubes allow you to supplement your baby at breast until milk comes in.

• Get skin to skin with your baby often as it increases oxytocin (milk ejection hormone)

Lactation Aids

• A high quality electric breast pump such as a Spectra S1 or S2; wearable are not as effective

• Lactation Aid Feeding Tubes can help keep baby to the breast for assistance with keeping the baby at breast to boost oxytocin for better let-down

• Supplements can be used to help, but will not work without adequate stimulation and extraction

Medications & Supplements

• Motherlove More Milk Plus - Tried and true herbal supplement containing goat's rue and fenugreek. Fenugreek is not recommended if you have diabetes, hypoglycemia, or PCOS subtypes sensitive to glucose shifts.

• Legendairy Milk Liquid Gold - Combination herbal supplement with goat's rue, milk thistle, shatavari, fennel, alfalfa and anise. Not recommended for mothers with SLE disease, plant allergies associated with ingredients listed.  May lower blood sugar.

• Metoclopramide (Reglan):
  Prescription only. Used occasionally, short-term, and cautiously. Evidence for meaningful volume increase is mixed, and side-effect risk limits routine use.

Manage Expectations

Frequent, effective removal of milk by baby or high quality double electric breast pump is essential.  Pack your tenacity as you will need to keep this up 8-12 times per day and include night feeding or pumping until milk supply is well established. Be prepared that volume increases gradually over weeks and manage your expectations. While a comprehensive study* shows that 79% of moms were successful at being able to resume breastfeeding, full milk supply may not always be reached. Some moms were only able to produce 25-50% milk supply, but every ounce counts for the health of your baby.

Hang in there mama!

Tanya

References:

*Matern Child Nutr. 2022 Oct 12;19(1):e13440. doi: 10.1111/mcn.13440

J Trop Pediatr. 1997 Aug;43(4):213-6. doi: 10.1093/tropej/43.4.21