JavaScript is required

Direction for use of S12 pro Breast Pump

1. Preparations before pumping

please refer to:Preparations before pumping

2.Assembling the Pump

  • Make sure you have cleaned and disinfected the parts of the breast pump that come into contact with milk or breast.please refer to:Cleaning and Disinfection of S12 Pro Breast Pump
  • only start assembling the breast pump when disinfected parts have cooled down.
  • Wash your hands before you touch breast pump parts and breasts to prevent contamination. Avoid touching the inside of milk collection set.

assembling the pump,please refer to:Disassembly and Installation of the S12 Pro Plus Breast Pump

3. Pumping instructions

  • Before you remove the pump body from your breast, always switch off the breast pump to release the vacuum.
  • Do not continue pumping for more than 5 minutes at a time if you do not succeed in expressing any milk. Try to express at another time during the day.
  • If the process becomes very uncomfortable or painful, stop using the pump and consult your healthcare professional.
  • Monitoring milk level during pumping to ensure overfill does not occur.

1)Alignment

a. Before pumping, please make sure the pump is pressed tightly on your breast without a gap.

b. To align, hold the flange against your breast so you can see if your nipple is centered in the flange tunnel. You may need to bend forward.

c. After you've aligned, look through the flange to confirm your nipple is centered before pumping. The tip of your nipple should NOT touch the top,sides or bottom of the flange tunnel. If it does, try again.

2)Secure Pump in Bra

3)Starting pumping

Do not slide pump directly into your bra, follow step-by-step instructions.

Disconnect from Charger before use.

A. Turn on the pump

Long press the On/Off button to turn On/Off the pump.

Short press the On/Off button to Pause/Continue the pump.

B. Select the mode

Modes: Stimulation Mode & Expression Mode & Mixed Mode

Short press the Mode Selection button to change from 3 modes.

C.Select the vacuum level

Momcozy pump has 9 vacuum pressure settings for each mode, giving you control over what feels comfortable and works most efficiently in all modes.

Once you feel uncomfortable, use the Increase / Decrease button to adjust the vacuum pressure. Always ensure you are pumping at a comfortable level.

Tip: A higher vacuum pressure does not always mean a higher volume of milk.

4)Remove the pump

  • Use your finger to break the seal between the flange and the breast tissue.
  • Lean slightly forward to remove the pump from the breast after your pumping session, then keep the flange opening side up to prevent milk from pouring over.


  • Caution:
  • Momcozy pump does not support use while charging. Alwaysdisconnect from the charger and close the charging cap before use.
  • Momcozy pump should not be used while lying down, engaging in strenuous activities or performing activities with risk of harm.
  • Using a breast pump should not cause pain. Do not try to express with a vacuum pressure setting that is too high or uncomfortable. If excessive discomfort or pain is felt during pumping, stop pumping,break the seal around your nipple and discontinue the session.