The Perfect Match: Why a Stock Is More Than Just Engine Power

by Milk Bar on Apr 29 2026
- By An Hermans - Midwife and Lactation Consultant

Starting to pump feels like a technical project for many mothers. You buy a pump, put it on your breast, and expect results. But pumping is high-performance work for your body. To collect milk effectively and without pain, a pump tailored to your unique anatomy is not a luxury, but a necessity. 

Sizing: it’s about the nipple, not the breast 

A common mistake is thinking a large breast needs a large breast shield. Nothing could be further from the truth. The breast shield needs to fit around your nipple. 

  • Too large a shield: Too much areola is pulled in. This causes friction, swelling, and can compress the milk ducts, causing output to plummet. 

  • Too small a shield: The nipple rubs against the walls, leading to sore nipples, cracks, and incomplete emptying. 

Nipple length and elasticity 

No two nipples are the same! Some nipples are short, others long. In addition, the elasticity of the skin plays a huge role. 

The need for stimulation 

A pump should mimic your baby’s feeding behaviour. A baby often starts with short, quick sucks to trigger the let-down reflex (stimulation mode), then switches to long, deep sucks (pump mode). 

Not every pump motor is the same. The strength (vacuum) and speed (cycle) need to be adjustable. What feels comfortable for one mother may be painful for another, or simply not effective enough to trigger milk flow. 

Choice of hands-free? 

It is important to consider the goal (stimulating or maintaining milk production) of your pump and how you will use it. Also the frequency of use, ease of maintenance, and battery life. 

That is why pump advice with demo devices makes all the difference! 

You can’t judge a pump from the box. Because factors such as nipple size, length, and skin elasticity are so specific, professional advice is essential. 

During a pump consultation with An & Gilke at The Village, an expert looks closely at your unique situation. Measurements are taken, tests are done, and observations are made. That way, you discover which technique and sizing really suit your body, before you buy a device. 

Maintenance: the power of silicone 

A pump is only as strong as its weakest link. The vacuum is created by the silicone parts (such as membranes and valves). These are extremely sensitive to wear, heat, and intensive use.  

  • Replacement: It is strongly recommended to replace parts if there are visible defects, cracks, or deformations. 

  • Preventive: Even without visible damage, silicone parts lose their elasticity over time, which directly affects the suction power of your pump. 

Do you doubt the vacuum of your pump? An and Gilke professionally measure your device (with accessories). That way, you do not have to worry about limited milk production. Is your output dropping when pumping full-time? Check your accessories and pump first before doubting your feminine strength. 

Conclusion

Pumping should not hurt. By investing in the right sizing and proper fit, you protect your breast tissue and optimise your milk production in the long term. 

 

- By An Hermans - Midwife and Lactation Consultant