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How often should a mother pump to build up her milk supply and how long for? When is the best time to pump when she is also breastfeeding? Are there any tricks to get more milk in less time? What is the best breast pump to use? This article shares tips to increase milk supply when pumping and is a companion article to Do I Need a Breast Pump?,
Exclusively Pumping Breast Milk and How to Make More Breast Milk. Breast milk is made by supply and demand. The faster milk is demanded from the breast by either a nursing baby, hand
expression or a breast pump, the more quickly breast milk will be made in the breast to meet that demand. It follows that a higher total number of pumping sessions per day is more beneficial for supply than fewer sessions further apart. Exactly how often to pump depends on why you are pumping and how much breast milk is needed—pumping excessively if it isn’t needed could contribute to
oversupply of milk. Possibilities include: If a baby is not latching then a mother can pump when convenient with the goal of trying to fit in as many pumping sessions as possible to mimic the normal feeding pattern of a newborn baby (eight to ten feeds per day). However if a baby is
also breastfeeding directly it can be difficult to know when is the best time to pump or even to find time to pump at all. Strategies include: When increasing a milk supply by pumping, the goal is to pump long enough to efficiently remove milk from all areas of the breast and stimulate the milk making glands to increase production. A lactating breast is never truly empty so in practice this means
removing or “draining” most of the available milk. The ideal pumping time to achieve this will vary for different women according to: One study of mothers of preterm babies found a double pumping session that incorporated massage (hands on pumping; see below) averaged 25 minutes with a range from 15 minutes for some mothers to 45 minutes for
others.3 Lactation consultant Nancy Mohrbacher suggests pumping for twenty minutes as an initial guide and then adjusting the time pumped according to a mother’s milk flow: simply pumping for a longer or shorter
time as needed to remove all the milk (Mohrbacher. 2020. p. 490). The more often the breasts are throughly drained the more milk will be made. If you’re not already pumping around eight or more times in 24 hours try
increasing the number of pumping sessions. If you’re away from your baby, try to pump as often as baby would normally feed. #2 Massage or “hands on pumping”Massage or hands on pumping is a technique that can substantially increase the amount of milk expressed with a breast pump. Hands on pumping involves using your hands to gently massage and compress the breasts before and during pumping. One study showed a daily increase of breast milk volume of almost 50% with hands on pumping5 and an increase in the calorie content of the pumped milk6. See this helpful Hands on Pumping video (see 5:15) developed by Jane Morton MD from Stanford School of Medicine and Exclusively Pumping Breast Milk also explains the technique further. Gently massaging and compressing the breasts before and during pumping can increase both the amount of milk and the calorie content of the pumped milk#3 Hand expressing and pumpingCombining hand expressing with hands on pumping can help to produce more milk particularly in the first few days after birth before milk volume increases and when using hand expressing techniques straight after a hands on pumping session.7 See Hand Expressing Breast Milk for tips and videos. #4 Double pumpingDouble pumping (pumping both breasts at the same time) saves time and can help produce more milk89 although it is not essential for good results10. Some single pumps can be converted into doubles at a later date. For hands on pumping and double pumping at the same time you can buy hands free double pumping bustiers. If you’re single pumping, alternate between left and right breasts every five minutes and repeat. #5 Try a different pump or flange size
#6 Pump at nightTry pumping at night especially if you happen to be awake anyway, because prolactin levels (an important hormone in milk production) are higher at night. If you usually breastfeed at night, that will also help to stimulate milk production. #7 Power pumpingPower pumping is a short-term technique made popular by lactation consultant Cathy Watson Genna and described in the book Making More Milk (2020). The technique mimics a baby cluster feeding which can boost milk production. It involves setting up a pump in a handy, comfortable spot and every time a mother passes by as she moves around the house, she pumps for five or ten minutes as often as every 45-60 minutes. The goal is to pump at least ten times each day for two or three days and then return to the usual pumping schedule. The technique suggests parents of healthy full-term babies can leave the pump set up and only refrigerate milk or wash equipment every four hours depending on the temperature of the room (Marasco and West. 2020). However recent official guidance recommends that equipment is washed after each use, see How Long Does Breast Milk Last? for more information. #8 Skin-to-skinSpending time in skin-to-skin contact with your baby can help boost oxytocin, one of the hormones involved in milk production and studies have found mothers can pump more milk after skin-to-skin contact.1112 Some mothers find holding their baby while they pump can help increase their pumping output. #9 Pumping on one breast while baby breastfeeds on the otherThis works well for some mothers who find it difficult to let-down to the pump. #10 WarmthOne study involving mothers pumping for premature babies found that warming one breast with a warmed cloth for twenty minutes before pumping produced significantly more milk than the unwarmed breast.13 Another study found that using a warm breastshield improved the efficiency of milk removal.14 #11 LubricationLubrication inside the pump flange and/or on the breast can make pumping more comfortable by reducing friction. Mothers have used oils (e.g. coconut oil or olive oil), breast milk or lanolin as lubricants. Marasco and West state that with the correct sized pump flange, lubrication should not be needed (Marasco and West. 2020.p 196)—it is important to check the flange is centred on the nipple, and you are using the pump correctly (see below) but a little lubrication may still be helpful for some mothers. Research has found mothers can pump more breast milk after holding their babies in skin-to-skin contact ⓒrohane/Adobe Stock#12 Music and relaxationStudies have found that mothers who listened to guided relaxation recordings, music and looked at baby photos while they pumped, could pump much more breast milk.15161718 #13 Pumping ritualsPumping with the same pre pumping rituals can help some mothers to relax and let-down their milk. This can be important for mothers who find it difficult to release milk to a pump. Nancy Mohrbacher suggests wrapping a blanket around the shoulders for warmth, using gentle massage and spending five minutes using guided relaxation techniques before pumping. (Mohrbacher, 2020 p 480) For further tips to help condition the let-down reflex see Exclusively Pumping Breast Milk. #14 Cover the collection bottleSome mothers find watching the collection bottles to see how much milk they are pumping at each session is quite stressful. Covering the pumping bottle with a sock or mitten can take the focus off the volume collected and, if it helps a mother to feel more relaxed as she pumps, she may pump more milk as a result. #15 Record milk volumesKeeping a record of the milk pumped can encourage some mothers when they see a gradual increase over time and realise their efforts are being rewarded. Pumping on one breast while baby breastfeeds on the other works for some mothersHow to choose a breast pumpDifferent pumps suit different mothers and one type isn’t necessarily better than another (Mohrbacher, 2020 p 487; Marasco & West, 2020 p 192). Do I Need a Breast Pump? describes the types available including manual pumps (hand operated), silicone pumps, electric pumps and hospital grade pumps (expensive multi-user pumps used in hospitals). An electric pump will usually be much more efficient than a manual one and hospital grade pumps will be better still. But there can be exceptions to every rule and some mothers may even find hand expressing works better than pumping for them. Tips for choosing a pump include:
A double pump allows a mother to pump both breasts at the same time. Some single pumps can be converted to a double at a later date. Breast pump flange fitUsing a breast pump shouldn’t hurt, but if the flange doesn’t fit correctly (or the vacuum is too high), pain and friction can result in sore nipples and may negatively affect milk flow. The opening where the nipple sits, is sometimes referred to as the nipple tunnel. The nipple should be positioned in the centre of the tunnel. Lactation consultants Marasco and West say that although the nipple may touch the sides of the tunnel, during pumping the nipple should move freely and the areola (the area of darker skin around the nipple) will move slightly as well (Marasco and West. 2020. 196).
Getting the right fitAccording to some authors, in addition to extending in length during pumping, nipples can swell (increase in size) as much as 3-4mm diameter during pumping (Wilson-Clay & Hoover. 2017 p 82). Indeed, many pump manufacturers such as Ardo or Medela’s guide to getting the right flange fit recommend choosing a flange that is 4mm wider than the diameter of the nipple at rest, presumably to accommodate this degree of swelling. However, in the 2022 Gold Keynote Presentation Fitting Flanges for Pumping: Rethinking Sizes and Materials, Jeanette Mesite Frem IBCLC shares her experience that when a nipple tunnel is too large, it can cause swelling of the areola and nipple, whereas in most cases a closer fit will not lead to nipples swelling. Although mothers can measure their nipples as an initial guide (Pumpables has a printable nipple ruler), Jeanette advocates for trying a range of flange sizes to see what feels comfortable and gives the best milk yield. She has produced The Flange Fits™ Guide below reproduced courtesy of Babies in Common. ⓒBabies in Common 2022Flange sizesMost pump companies offer a variety of flange sizes for example Ardo Breast Pumps (5 sizes: 22mm-36mm diameter), Ameda Breast Pumps (7 sizes) and Medela (5 sizes: 21mm-36mm). Pumpables has a universal breast shield set in 7 sizes from 15mm to 30mm diameter and Maymom also offers a range of shield sizes compatible with several brands from 15mm to 36mm. Beaugen cushions can help to adjust the fit on standard flange sizes and are compatible with many brands of pump. Silicone inserts may not work as well as firm flanges for some mothers as they do not provide as much pressure to the breast tissue behind the nipple (Mesite Frem, 2022). How to use breast pump settingsVariable settings on a pump include pump suction (vacuum) and pump speed (cycles per minute).
If you are single pumping (on one breast) switching between breasts several times will mimic switch nursing and stimulate let-downs. A little olive oil, coconut oil or lanolin smeared inside the flange and nipple tunnel can make pumping more comfortable if needed. Cleaning breast pump partsPump parts that come into contact with breast milk should be cleaned after each use according to manufacturers’ instructions. Advice to sterilise equipment after each use or whether washing pump parts is sufficient varies between different regulatory bodies. The UK’s National Health Service recommends that all feeding equipment be sterilised after each use until a baby is one-year-old2122. The Centers for Disease Control and Prevention (CDC) have a fact sheet with tips for keeping pumping equipment clean, see How to Keep Your Breast Pump Kit Clean: The Essentials. The CDC recommend washing pump parts thoroughly after each use and sterilising equipment once a day particularly for babies under three months of age and vulnerable babies. However, the US Food and Drug Administration (FDA) and The Academy of Breastfeeding Medicine say that breast pump parts do not have to be sterilised:
Avoid harsh chemicals and abrasive scrubbingAuthors Wambach and Spencer 23 point out not to use harsh chemicals or abrasive scrubbing which could create small scratches to harbour bacteria or mould. Tubing, diaphragms and pistonsPump parts that don’t come in contact with milk such as tubes, and pistons are not meant to be sterilised and could melt under direct heat24 so follow manufacturer’s instructions carefully. If condensation develops in the tubing running the pump without the collection bottles and flanges attached can force air through the tubing to dry it (Wambach and Spencer 2020). Other ways to increase milk supplyPumping can be a great partner in the process to increase low milk supply, however not all mothers find pumping works well for them and there are many more ideas to try. Our article How to Make More Breast Milk discusses more ways to increase your milk supply and it is helpful to consult your breastfeeding specialist to unpick the reasons for low milk supply. With good positioning, some latching tips, breast compression, and by offering both breasts (and more!) you may be able to improve your supply with less need to pump. SummaryThere are several ways to help increase the amount of breast milk you can pump. Ideas include using breast massage while pumping, hand expressing after using a pump, pumping more frequently, choosing the right pump and pump flange, relaxation and pumping both breasts at the same time. A breastfeeding specialist can be a helpful partner when a mother needs to increase her milk supply. Browse by CategoryNow Reading How to Increase Milk Supply When Pumping 9 Sep, 2022 How long does it take pumping to increase milk supply?After two or three days of regular pumping you should see a significant increase in supply. For advice on getting more milk from each pumping session, read breast pumping tips.
How often should my milk supply increase?Each time your baby takes some milk from your breasts, your breasts get the message to make more milk. So doing a few extra breastfeeds each day will increase your supply. Frequent feeding is fine because young babies have little tummies, and they get hungry quickly.
How long does it take for breast milk to replenish after pumping or feeding?The more milk your baby removes from your breasts, the more milk you will make. Despite views to the contrary, breasts are never truly empty. Milk is actually produced nonstop—before, during, and after feedings—so there's no need to wait between feedings for your breasts to refill.
Can I pump every 4 hours and maintain supply?At work, you should try pumping every three to four hours for around 15 minutes a session. This may sound like a lot, but it goes back to that concept of supply and demand. Your baby takes in milk every few hours. Pumping that often will ensure that you're able to keep up with their needs.
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