Yes. Stacy is designed with your recovery in mind. Its soft silicone cups and hospital-grade suction offer gentle, effective pumping — even during engorgement or postpartum tenderness. Always consult your doctor if you're healing from surgery, but thousands of mothers have used Stacy safely during this phase.

Stacy is engineered to fit over 99% of nipple shapes, including flat or inverted nipples. We offer an industry-first range of five flange sizes — 15 mm, 17 mm, 19 mm, 21 mm, and 24 mm — to ensure a precise and comfortable fit for every body. A nipple sizing guide is included in every box, and our lactation-trained support team is available to help you choose the best fit for comfort and output.

No leaning needed. Stacy pump is a fully wearable, with a leak-resistant seal and discreet in-bra fit. Whether you're upright, reclined, or walking around the house, it’s built to move with you — hands-free, mess-free.

Stacy runs at just 45 dB — quieter than a soft whisper. It’s engineered to be non-disruptive, even in silent rooms. Yes, you can pump while your baby naps beside you.

Yes. Stacy is fully in-bra and cord-free, with no dangling tubes or bulky motors. It's designed to be worn discreetly under your clothes — so you can pump during meetings, errands, or coffee with friends.

The rechargeable battery lasts for up to 7 full pumping sessions on a single charge. Stacy charges via USB-C — the same cable used by most smartphones — and takes about 2 hours for a full charge.

Yes. Stacy is FDA-approved and ISO-certified, meeting the highest international standards for safety and hygiene. Every milk-contact part is made without BPA or harmful materials — so you can pump with complete peace of mind.

All milk-contact parts of stacy pump are dishwasher-safe and BPA-free. For daily cleaning, just rinse, wash with mild soap, or place the parts in the top rack of your dishwasher. No special brushes needed.

Each stacy pump includes five flange sizes — 15 mm to 24 mm — so you can find your best fit right out of the box. A measuring guide is included, or you can speak to our support team for a personalized recommendation.

The Stacy pump is a single-user device and should not be shared with other moms. This ensures the highest level of hygiene, safety, and performance for both you and your baby.

Yes. stacy pump is ideal for both occasional and exclusive pumpers. Its discreet, in-bra design and long battery life make it perfect for working moms, travel, or on-the-go pumping — whether you're at the office, in a car, or between meetings.

 Each stacy pump box includes the pump unit, five flange sizes (15–24 mm), two milk storage containers, USB-C charging cable, a carry pouch, and a nipple sizing guide. You’ll have everything you need to get started — no extra accessories required.

Yes. A stacy pump uses hospital-grade suction and clinically designed stimulation and expression modes to help maximize output. For moms working on increasing supply, the gentle and efficient cycles can be especially supportive.

A stacy pump comes with two high-capacity containers, each holding up to 180 ml (6 oz) of breast milk. This gives you the flexibility to pump comfortably without frequent emptying — ideal for high-yield sessions or on-the-go use.

Hospital-grade suction refers to a pump’s ability to generate strong, efficient negative pressure. A stacy pump offers up to ~280 mmHg of suction per side, making it one of the most powerful wearable pumps available — while still being gentle, quiet, and completely in-bra.