Using a breast pump for the first time can feel overwhelming, but with the right guidance, you can make the process smooth, comfortable, and effective. Whether you’re pumping occasionally to build a small stash or regularly as a working mom, understanding how to use a breast pump properly will help you express more milk, protect your supply, and keep your baby well-fed.

If you’re still looking for a pump that’s reliable, portable, and easy to use, check out the Momcozy Electric Breast Pump collection. These pumps are designed with comfort and convenience in mind, making them perfect for beginners and experienced moms alike.

Breast pump next to a bottle of milk.

Choose the Right Breast Pump for Your Needs

The first step to a smooth pumping journey is choosing the pump that best fits your lifestyle.

There are three main types of pumps:

  • Manual Pumps: Affordable, portable, and quiet. Best for occasional use or when traveling.
  • Single Electric Pumps: Faster than manual pumps and suitable for moderate use.
  • Double Electric Pumps: Ideal for frequent pumping, as they allow you to pump both breasts simultaneously, saving time and increasing milk output.

If you plan to pump often—such as when returning to work—a double electric or wearable pump can be a game changer. Consider factors like portability, battery life, suction strength, and noise level when making your choice.

Get Familiar with the Parts and How They Work

Before your first pumping session, take time to learn about your pump’s parts and their functions.

Most breast pumps include:

  • Flanges (Breast Shields): Funnel-shaped parts that fit over your breasts.
  • Valves & Membranes: Control milk flow from the breast into the container.
  • Tubing: Transfers suction from the motor to the flanges (for electric pumps).
  • Bottles or Bags: Collect expressed milk.
  • Motor Unit: Provides suction in electric pumps.

Reading the manual carefully helps you understand assembly, cleaning, and troubleshooting. A quick practice run before your first real session can make you feel more confident.

Wash and Assemble Your Pump Before Each Use

Hygiene is critical to keep your breast milk safe for your baby.

Before each use, wash all parts that come into contact with milk—flanges, bottles, valves, and membranes—in warm, soapy water. Rinse thoroughly and let them air-dry on a clean towel or drying rack. Some pumps have dishwasher-safe parts, but check the manufacturer’s guidelines first.

When assembling your pump, make sure each piece is connected securely to prevent leaks or loss of suction.

Find a Comfortable, Relaxed Space to Pump

Your comfort affects your milk flow and pumping experience.

Choose a quiet, private area where you feel relaxed. You might be at home, in a workplace lactation room, or even in your car (with the help of a portable pump). Set up your space with:

  • A comfortable chair with back support
  • A table or stand for your pump
  • A bottle of water and a snack
  • Relaxing distractions such as music, a favorite show, or baby photos

A calm environment helps your body release oxytocin, the hormone responsible for milk let-down.

Position the Flanges Correctly on Your Breasts

Proper placement is key to preventing pain and maximizing milk output.

Center your nipple inside the flange opening so it can move freely without rubbing the sides. The flange should create a light seal around your breast without air gaps. Using the wrong flange size can cause discomfort, nipple damage, or reduced milk flow. Many brands, including Momcozy, offer multiple flange sizes to ensure a good fit.

Start with Stimulation Mode, Then Switch to Expression

Most electric pumps mimic a baby’s natural feeding pattern to encourage milk flow.

  • Stimulation Mode: Uses quick, gentle suction to trigger let-down.
  • Expression Mode: Uses slower, stronger suction to draw out milk.

Begin with stimulation mode for 1–2 minutes, then switch to expression mode once milk starts flowing. Adjust the suction strength to a comfortable level—stronger isn’t always better.

Pump for the Right Amount of Time

Finding the right pumping duration is essential for both comfort and maintaining a healthy milk supply. Pumping too little can reduce your supply, while pumping for too long can cause nipple soreness or irritation.

General Guidelines:

  • Average Session: 15–20 minutes per breast (or both breasts at the same time if using a double electric pump)
  • Double Pumping: May reduce the total pumping time to 10–15 minutes
  • End Point: Stop when milk flow slows to just a few drops, even if it’s before the set time

Why Timing Matters:

  • Too Short: Your body may not receive the signal to produce more milk, leading to a gradual supply decrease.
  • Too Long: Extended pumping may cause discomfort, cracked skin, or swelling around the nipple.

Pro Tip: In the early weeks, you may need to pump slightly longer (20–25 minutes) to fully empty your breasts and encourage supply. As your body adjusts, you can reduce session length to match your natural let-down and milk flow patterns.

Store Your Milk Safely and Clean Up After Pumping

Breast milk storage guidelines ensure your baby gets the safest, freshest milk.

Follow these recommendations:

  • Room temperature (77°F/25°C or lower): up to 4 hours
  • Refrigerator (40°F/4°C): up to 4 days
  • Freezer (0°F/-18°C or colder): 6–12 months


Always label storage containers with the date and time. Store milk in small portions (2–4 oz) to reduce waste.

After storing your milk, wash all pump parts immediately or place them in a clean bag until you can wash them. Let them air-dry before the next session.

Extra Tips for Pumping Success

To make your pumping sessions even more effective and comfortable, try these tips:

  1. Stay Hydrated & Nourished: Your body needs fluids and calories to produce milk.
  2. Massage Your Breasts: Gently massaging before and during pumping can help increase output.
  3. Use a Hands-Free Pumping Bra: Keeps flanges in place and lets you multitask.
  4. Maintain a Consistent Schedule: Regular sessions help maintain supply.
  5. Avoid Stress: Stress can reduce milk let-down, so create a calming routine.

Conclusion

Learning how to use a breast pump properly can make your breastfeeding journey much smoother. From choosing the right pump and setting up your space to proper storage and cleaning, each step plays a role in keeping your milk supply strong and your baby healthy.

If you’re ready to make pumping easier and more comfortable, explore the Momcozy Electric Breast Pump collection. With ergonomic designs, adjustable suction levels, and portable options, they’re a great choice for any mom—whether you’re at home, at work, or on the go.