How to Choose a Breast Pump: Complete Buying Guide for Parents

Choosing a breast pump can feel oddly high‑stakes when you’re sleep deprived and juggling feeds. There are so many models, so many «best breast pump» lists, and every mum friend swears by a different brand.

Take a breath.

You don’t need the fanciest gadget on the market. You need a breast pump that fits your life: your baby, your work pattern, your body, your budget.

This breast pump buying guide breaks down exactly how to choose a breast pump: when you actually need one, the different types (manual, electric, wearable and hospital‑grade), what all those features really mean in day‑to‑day use, and the one detail almost everyone gets wrong at first – flange size.

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When do you actually need a breast pump?

Some mums never use a pump. Others rely on it daily for a year or more. You might want a breast pump if:

Returning to work

If you’re going back to work and want to keep breastfeeding, a pump becomes pretty important.

You’ll use it to:

• Maintain milk supply while you’re away from your baby
• Build a stash in the freezer before your first day back
• Leave milk for nursery, childminder or your partner to feed

For most working mums who pump more than once a day, a double electric breast pump is usually the best breast pump for working mums. It is faster and more efficient so you spend less of your break attached to a machine.

Building a freezer stash

Some parents like to have extra milk stored for:

• Emergencies or illness
• Trips away without baby
• Future mixed feeding when baby is older

You do not need an industrial setup to build a small freezer stash. A manual breast pump or single electric breast pump will usually do the job if you:

• Pump once or twice a day after feeds
• Or pump from one side while baby feeds on the other

Relieving engorgement or blocked ducts

Those first weeks can be brutal. If your breasts feel like rocks or you get a blocked duct, a pump can:

• Gently remove a bit of milk to take the edge off
• Help drain a very full breast after baby has fed
• Give relief at night if baby suddenly sleeps longer

For this, a manual breast pump or a simple single electric is plenty. Many mums keep a cheap manual pump in the bathroom specifically for engorgement.

Partner feeding and shared nights

If your partner or another carer wants to give bottles of expressed milk:

• You might pump once a day and save that feed for the evening
• Or pump at night so your partner can do an early morning feed

Here, almost any type of pump can work. If you only do this occasionally, a manual breast pump or breast pump for occasional use is enough. If it becomes a daily routine, a single electric or portable breast pump is kinder to your hands and your time.

Maintaining supply when you’re separated

Sometimes mum and baby are separated:

• Baby is in NICU
• You’re readmitted to hospital
• You are travelling for work without baby

This is where a hospital‑grade rental breast pump shines. The stronger suction and motor are designed to maintain milk supply or even help establish it if baby cannot feed at the breast yet.

The occasional night off

Maybe you want to go to a wedding. Or have one night of proper sleep while someone else handles a feed. Totally fair.

For occasional bottles:

• A manual breast pump or wearable breast pump you use now and then is usually fine
• If you already have an electric breast pump, just use that to prepare a bottle and then sleep

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Types of breast pumps: pros, cons, and who they suit

You’ll see lots of breathless «best breast pump reviews» online, but the main decision comes down to 5 categories.

1. Manual breast pump

A manual breast pump is hand‑powered. No motor, no cables. Just you squeezing a handle or using a simple suction cup style pump.

Pros:

• Affordable – often the cheapest type, very budget friendly
• Portable – small, light, easy to toss in the changing bag
• Quiet – almost silent, good for pumping in public toilets or at night
• Great for occasional use – ideal breast pump for occasional use or travel
• Good for engorgement – quick relief without setting up an electric pump

Cons:

• Tiring for frequent pumping – your hand and wrist can ache if you pump several times a day
• Slower than electric – usually takes longer to get the same amount of milk
• One side at a time – almost all manuals work on a single breast only

Best for:

• Parents who only pump occasionally
• A backup pump in case your electric one fails
• A small and discreet breast pump for engorgement relief

If you are planning to exclusively pump or do several sessions every day, a manual alone will likely frustrate you.

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2. Single electric breast pump

A single electric breast pump has a motor that does the work for you but pumps only one breast at a time.

Pros:

• Moderate price – cheaper than most double electric pumps
• Less tiring – motor provides suction so no hand pumping
• Good for daily pumping – fine if you only pump once or twice a day
• Faster than manual – many mums get more milk in less time

Cons:

• One breast at a time – you double the time of each pumping session
• Less efficient than double if you’re pumping multiple times a day
• Some models can be noisy, depending on brand

Best for:

• Mums on maternity leave who pump once or twice a day
• Parents building a small freezer stash
• Those who want a budget‑friendly electric breast pump but not planning full‑time pumping

If your routine looks like «one bottle a day so partner can feed», a single electric is often a sweet spot.

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3. Double electric breast pump

A double electric breast pump pumps both breasts at the same time. This is the type most people imagine when they think of a serious pumping setup.

Pros:

• Most efficient – many mums can pump both sides in around 15 minutes
• Ideal for working mums who pump on breaks at the office
• Simultaneous pumping can help maintain milk supply more effectively
• Many models have multiple modes and settings to mimic baby’s sucking pattern

Cons:

• Higher investment – usually the most expensive personal pumps
• Often bulkier than a single pump, though there are compact options now
• Some need to be plugged in, unless you buy a model with a good battery

Best for:

• Parents who will pump daily or multiple times per day
• The best breast pump for working mums who will pump at work for months
• Exclusively pumping mums

If you need to pump at your desk or in a staff room two or three times a day, a double electric is usually the best breast pump to protect both your time and your supply.

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4. Hospital‑grade rental pump

A hospital‑grade breast pump is a heavy‑duty machine with a stronger motor and very consistent suction. In the UK and many other countries, these are often available to rent from hospitals, health visitors, NCT branches, or baby charities.

Pros:

• Strongest suction and very reliable motor
• Designed for establishing and maintaining supply, especially when baby cannot latch
• Often recommended for NICU mums whose babies are premature or unwell
• You can rent instead of buying, which keeps costs lower for short‑term use

Cons:

• Expensive to buy outright, most families rent
• Bulky – not convenient to move around a lot or carry to work
• Usually mains powered, less portable than other pumps

Best for:

• Parents whose babies are in NICU or cannot feed at the breast
• Mums with low supply trying to increase production
• Short‑term intensive pumping, for example in the early weeks

Many mums start with a hospital‑grade rental to establish supply, then switch to a double electric or wearable breast pump for day‑to‑day life once breastfeeding is established.

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5. Wearable / hands‑free breast pumps

Wearable or hands‑free breast pumps like Elvie, Willow or Momcozy sit entirely inside your bra. No bottles hanging out, no external tubes. These have exploded in popularity in the UK and other English‑speaking countries, especially among working mums.

Pros:

• Discreet – sit in your bra, clothes go over the top
• Hands‑free – you can type, make tea, hold your baby while pumping
• Portable – usually wireless, rechargeable battery, great for on‑the‑go
• Can make pumping at work or on busy days actually doable

Cons:

• Often less efficient than a good traditional double electric
• Some mums find they get less milk per session
• Can be expensive, especially the big brand names
• Fit can be fiddly, especially if your nipple/areola size is less standard

Best for:

• Supplementing a main pump, not as your only pump
• Parents who need a backup option for meetings, commutes or errands
• A second pump kept at work while your main one stays at home

If you read breast pump reviews for wearables, you will see a common theme: life changing for convenience, but output might be a bit lower. Many mums keep a standard double electric at home and use a wearable breast pump for top‑ups or when they need to move around.

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Key features to compare when choosing a breast pump

Once you know the type of breast pump that fits your situation, you still have to pick a model. Here are the features that actually matter in real use, not just on the box.

1. Suction strength and adjustability

You need:

• Enough suction strength to remove milk effectively
• Gentle adjustability to avoid pain or nipple trauma

Look for:

• Separate stimulation and expression modes
• Fine‑tuned levels, not just «low, medium, high»

Higher suction does not automatically mean better. The best breast pump for you will allow you to find a comfortable level where milk flows without pinching or burning.

2. Noise level

If you are:

• Pumping at work in a shared space
• Pumping next to a sleeping baby or partner
• Sensitive to repetitive noise

Then noise matters more than you think.

Read breast pump reviews and check comments about sound. Some modern electric breast pumps are surprisingly quiet. Others sound like a small tractor chugging away. Wearable pumps often score well here but it varies by model.

3. Portability

Ask yourself:

• Will I mostly pump at home on the sofa or bed?
• Do I need to carry my pump on public transport or in a work bag?
• Do I travel often between locations during the day?

If you are out a lot, look for:

• Lightweight unit
• Pump that fits in a small bag
• Built‑in battery or power bank compatibility

A hospital‑grade pump is brilliant for output, but a disaster as a portable breast pump. A compact double electric or wearable breast pump works far better when you’re constantly on the move.

4. Battery life

Cordless sounds lovely. Until the battery dies halfway through a session.

When comparing models, find out:

• How many full pumping sessions per charge?
• Can you use the pump while it’s charging?
• Does it use common charging ports (USB‑C) or something proprietary?

If you are searching for the best breast pump for working mums, a strong battery or easy charging at your desk is gold.

5. Ease of cleaning

Nobody wants to scrub 12 tiny pump parts at 11 pm.

Check:

• How many parts need washing after each use?
• Are there any awkward nooks or valves?
• Are parts dishwasher safe?

Open‑system pumps (where milk can come into contact with tubings or motor) need a bit more care. Closed‑system pumps are designed to keep milk away from the motor, reducing contamination risk and cleaning.

If cleaning feels like a chore just from looking at the diagrams, it will not get easier when you are exhausted.

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Flange (funnel) size: the most common and painful mistake

This part is critical. The flange or funnel is the plastic piece that sits over your nipple and areola. If it does not fit, everything else suffers:

• Pain or rubbing
• Cracked nipples
• Red rings on the areola
• Poor milk output despite good suction

Most standard pumps come with a default size, usually around 24 or 25 mm. Your nipples might be smaller or larger. Many companies now offer flanges from around 21 mm to 30 mm and sometimes beyond.

How should the flange fit?

When the pump is on:

• Your nipple should move freely in the tunnel
• It should not rub the sides constantly
• A small amount of areola may be pulled in, but not too much

If:

• Your nipple swells painfully
• You see whitening at the tip
• You feel stinging, burning or pinching

then the size is probably wrong.

How to find your size

1. Measure your nipple diameter in millimetres (not including areola) using a ruler or flexible tape.
2. Add about 2–4 mm to that measurement.
3. That number is usually a good starting flange size.

Many mums need to try different sizes over time. Your body changes during the first months. Do not be afraid to order a different size flange or insert if pumping hurts or your output seems low despite good supply when baby feeds directly.

This is one area where speaking to a lactation consultant or infant feeding specialist can make a big difference. They can watch you pump and spot fit issues very quickly.

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Insurance, NHS, and what you might get covered

Depending on where you live, part or all of the cost of a breast pump may be covered.

• In the UK, the NHS does not usually provide personal breast pumps to take home, but hospitals often lend hospital‑grade pumps while your baby is in NICU or during special circumstances. Some local NHS trusts or charities also offer short‑term pump loans.
• In countries with private health insurance, many policies include a contribution towards an electric breast pump. It is worth ringing your insurer before you buy.

Always check:

• Do they cover a particular brand or up to a set amount?
• Do you need a prescription or letter from a midwife, GP or consultant?
• Is rental of a hospital‑grade pump included?

If you can get a hospital‑grade rental covered for the first few months, it can be a game changer for establishing supply, then you can switch to a more portable breast pump later.

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Buying secondhand or borrowing a pump

This topic can feel a bit awkward, but in real life, lots of mums:

• Borrow a pump from a friend
• Buy secondhand from local groups or online marketplaces
• Use a mix of borrowed motor and new accessories

For open‑system pumps (where milk could theoretically get into tubing or motor):

• It is generally considered fine to share the motor
• You should buy new tubing, flanges, and valves for hygiene
• Check that replacement parts are easy to get and not too expensive

For closed‑system pumps:

• Sharing is usually safer from a contamination perspective
• You should still get your own flanges and any parts that contact milk

Hospital‑grade pumps are typically designed as multi‑user devices with single‑user kits for hygiene. That is one reason they are suitable for rental.

If budget is tight, a secondhand pump with fresh parts can be far better than a brand‑new but very basic pump that does not suit your needs. Just make sure the motor works well and is not extremely old.

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Putting it all together: choosing the right pump for you

Here is a quick way to match your situation to a pump type:

• «I’ll mostly breastfeed, pump once or twice a week»

  • Manual breast pump or simple single electric breast pump

• «I want a small freezer stash and the odd night off»

  • Single electric breast pump or good manual, possibly a wearable breast pump as a bonus

• «I’m going back to work full‑time and will pump at least twice a day»

  • Double electric breast pump is usually the best breast pump for working mums
  • Wearable breast pump as a back‑up for busy days or commutes

• «Baby is in NICU or cannot latch and I need to maintain milk supply»

  • Hospital‑grade rental pump at first
  • Later, add a personal double electric or portable breast pump

• «I’ll be exclusively pumping»

  • Hospital‑grade rental at the start if possible
  • Then a powerful double electric breast pump with properly fitted flanges

When in doubt, think about:

1. How often will I pump - less than once a day, once a day, or several times?
2. Where will I pump - at home, at work, while travelling?
3. How portable does it need to be?
4. What is my budget, including the option to rent or buy secondhand?

And always, always pay attention to flange size and comfort. A mid‑range electric breast pump that fits your body and lifestyle will serve you far better than the fanciest model with the wrong funnel and not enough battery life.

Your breastfeeding journey is unique. The right breast pump is simply the one that helps you feed your baby, protect your sanity, and maybe even reclaim the odd hot cup of tea.

_{This content is for informational purposes only and should not be used as a substitute for advice from your doctor, pediatrician or other health care professional. If you have any questions or concerns, you should consult a healthcare professional.
We as the developers of the Erby app disclaim any liability for any decisions you make based on this information, which is provided for general informational purposes only and is not a substitute for personal medical advice.}