Do you ever before second-guess your milk production after pumping? carry out you to compare it v the volume of milk her friend or neighbor pumps? execute you to compare it through the milk girlfriend pumped for a ahead baby? prior to you start to worry, you an initial need to know how much pumped milk is average. Many mothers discover—to your surprise—that as soon as they to compare their own pumping suffer with the norm, lock doing just fine. Take a deep breath and read on.

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Expect less Milk in the early on Weeks


If the an initial month of exclusive breastfeeding is going well, your milk production drastically increases from about one ounce (30 mL) on job 1 come a optimal of around 30 ounces (900 mL) per baby approximately Day 40.1 Draining your breasts well and also often naturally rises your milk during these beforehand weeks. But at first, while her milk production is ramping up, expect to pump less milk 보다 you will certainly later. If friend pumped an ext milk for a previous child, you may be thinking earlier to a time when your milk manufacturing was currently at its peak rather than throughout the early weeks while it to be still building.

Practice renders Perfect

What must you expect once you begin pumping? an initial know it takes time and also practice come train her body to respond to your pump like it walk to her baby. At very first you will certainly probably have the ability to pump little amounts, and also this will slowly increase together time goes on.Don’t assume (as countless do) the what you pump is a gauge of her milk production. That is rarely the case, particularly the first couple of times you pump. That takes time to become proficient in ~ pumping. Also with good milk production and a good-quality pump, part mothers uncover pumping tricky at first.

Factors That influence Milk Yield

After you’ve had some exercise using her pump and it’s functioning well, the following components can affect your milk yield:

Your baby’s ageWhether or no you’re specifically breastfeedingTime elapsed because your last breastfeeding or pumpingTime that dayYour emotional stateYour breast storage capacityYour pump quality and fit

Read on for the details around each of this factors.

Your baby’s age. exactly how much milk a baby consumes per feeding varies by period and—until one month or so—by weight. Since newborns’ stomachs room so small, during the very first week many full-term babies take it no more than 1 to 2 ounces (30 to 60 mL) in ~ feedings. After about four to five weeks, babies reach their optimal feeding volume of about 3 to 4 ounces (90 come 120 mL) and also peak day-to-day milk entry of around 30 ounces every day (900 mL).

Until her baby starts eating solid foods items (recommended at roughly six months), her feeding volume and also daily milk intake will not vary by much. Return a infant gets bigger and heavier between one and six month of age, her rate of expansion slows down throughout that time, therefore the lot of milk she needs stays about the same.1 (This is not true for formula-fed babies, who consume much much more as castle grow2 and also are likewise at better risk because that obesity.3) when your baby starts eating solid foods, her require for milk will slowly decrease as solids take your milk’s place in her diet.3

Exclusively breastfeeding? An exclusively breastfeeding infant receives only mother’s milk (no various other liquids or solids) mainly at the breast and also is obtaining weight well. A mother providing formula frequently will express less milk than an solely breastfeeding mother, due to the fact that her milk manufacturing will be lower. If you’re giving formula and also your baby is in between one and also six months old, you can calculate just how much milk you have to expect to pump at a session by determining what percent of your baby’s full daily input is in ~ the breast. To do this, subtract from 30 ounces (900 mL) the lot of formula her baby receives each day. For example, if you’re offering 15 ounces (450 mL) that formula each day, this is half of 30 ounces (900 mL), for this reason you have to expect come pump about half of what an specifically breastfeeding mother would pump.

Time elapsed due to the fact that your critical milk removal. ~ above average, ~ an specifically breastfeeding mother has actually practiced v her pump and also it’s functioning well because that her, she can expect to pump:


About half a feeding if she is pumping in between regular feedings (after about one month, this would certainly be about 1.5 come 2 ounces (45-60 mL)A complete feeding if she is pumping for a missed feeding (after one month, this would certainly be around 3 to 4 ounces (90-120 mL)

Time of day. most women pump more milk in the morning than later on in the day. That’s because milk manufacturing varies end the course of the day. To obtain the milk lock need, numerous babies respond to this by just breastfeeding much more often once milk manufacturing is slower, commonly in the afternoon and evening. A good time to pump milk to save is generally thirty come sixty minutes after the first morning nursing. Most mothers will pump much more milk then than at various other times. If she an exception to this rule of thumb, pump when you obtain the best results. No issue when girlfriend pump, you have the right to pump on one side while nursing on the various other to take benefit of the baby-induced let-down. You can offer the various other breast to the baby also after friend pump and also baby will certainly get much more milk.

Your emotionally state. If you feeling upset, stressed, or angry when you sit under to pump, this publication adrenaline into your bloodstream, i beg your pardon inhibits her milk flow. If she feeling an adverse and no pumping as much milk as usual, take it a break and also pump later, as soon as you’re emotion calmer and much more relaxed.

Your chest storage capacity. This is the maximum lot of milk obtainable in your breasts throughout the time that day as soon as your breasts room at your fullest. Storage capacity is based on the quantity of room in her milk-making glands, no breast size. The varies among mothers and also in the same mother from infant to baby.5 as one post describes, your largest pumping can carry out a clue to whether your storage volume is large, average or small.6 Mothers v a bigger storage capacity commonly pump more milk at a session 보다 mothers v a smaller sized storage capacity. If you’re exclusively breastfeeding and also pumping because that a let go breastfeeding, a milk yield (from both breasts) the much an ext than about 4 ounces (120 mL) may indicate a larger-than-average storage capacity. Top top the various other hand, if you never pump an ext than 3 ounces (90 mL), also when it has been many hours due to the fact that your last milk removal, her storage capacity might be smaller-than-average.

What problem to her baby is not just how much she it s okay at each feeding, but how much milk she receives end a 24-hour day. Chest storage capacity explains plenty of of the distinctions in breastfeeding patterns and also pump returns that room common amongst mothers.7

Your pump quality and fit.For most mothers, automatic double pumps that create 40 to 60 suction-and-release cycles every minute room most effective at express milk.

Getting a an excellent pump right is important, because your to the right affects her comfort and also milk flow. Pump to the right is not around breast size; it’s about nipple size. It refers to exactly how well your nipples fit into the pump opened or “nipple tunnel” that your nipple is pulled into throughout pumping. If the nipple tunnel squeezes your nipple during pumping, this reduces your milk flow and you pump much less milk. Also, either a too-large or too-small nipple tunnel can reason discomfort during pumping. Small-breasted women can have large nipples and also large-breasted women deserve to have small nipples. Also, because couple of women are fully symmetrical, you might need one dimension nipple tunnel because that one breast and another dimension for the other.

You recognize you have a an excellent pump fit if you check out some (but not too much) an are around your nipples as they move in and out that the nipple tunnel. If your nipple rubs along the tunnel’s sides, it is too small. It can also be too large. Ideally, you desire no much more than about a 4 minutes 1 inch (6 mm) of the dark circle roughly your nipple (areola) pulled right into the tunnel during pumping. If too lot is traction in, this can cause rubbing and also soreness. You’ll recognize you require a various size nipple tunnel if you feeling discomfort throughout pumping also when her pump suction is near its lowest setting.

What around Pump Suction?

Mothers regularly assume that more powerful pump suction yields an ext milk, yet this is not true. Too-strong suction reasons discomfort, which deserve to inhibit milk flow. The best suction setup is the highest possible that’s important comfortable and no higher. This ideal setting will vary from mother to mother and may be anywhere on the pump’s control dial. Part mothers actually pump the many milk close to the minimum setting.

Could the pump be malfunctioning? It"s regular for a pump"s suction to feel less solid over time together its user adjusts to its feel. Countless pump individuals ask exactly how often details pump parts should be replaced. A ascendancy of thumb is the the parts that directly affect the pump"s suction have to be changed every six months or so. ~ above a Medela pump, this is the ring white membrane that hangs down into the collection bottle top top a yellow plastic piece. On an Ameda, Ardo, or Spectra pump, this is the white valve, which looks choose a cake-decorator tip and hangs down into the collection bottle native the underside that the item that you press against your breasts. In most cases, extra membranes and also valves are provided with brand-new pumps. Extras deserve to usually it is in ordered online or purchase at huge baby stores. If you view a hole in the membrane or the white valve stays open also when the pump is no in use, replace these pump parts sooner. Various other pump parts are i can not qualify to affect your milk yields.

Hands-on pumping

Hands-on pumping is one evidence-based strategy to boost milk yield while pumping. Click right here for a article describing this efficient technique.

Worries are a normal part of brand-new motherhood, yet you can make milk expression a much an ext pleasant endure by finding out what to expect. For numerous mothers, pumping is a key aspect of meeting their breastfeeding goals. A small knowledge deserve to go a long means in do this goal a reality.


1 Butte, N.F., Lopez-Alarcon, & Garza, C. (2002). Nutrient Adequacy of to exclude, Breastfeeding because that the term Infant during the very first Six month of Life. Geneva, Switzerland, world Health Organization.

2 Heinig, M.J. Et al. (1993). Energy and protein intakes of breast-fed and also formula-fed infants during the an initial year that life and also their combination with expansion velocity: the DARLING study. American newspaper of Clinical Nutrition, 58, 152-61.

3 Dewey, K.G. (2009). Child feeding and also growth. Advances in experimental Medicine and Biology, 639, 57-66.

4 Islam, M.M, Peerson, J.M., Ahmed, T., Dewey, K.G., & Brown, K.H. (2006). Impacts of varied energy thickness of complementary items on breast-milk intakes and total energy intake by healthy, breastfed Bangladeshi children. American newspaper of Clinical Nutrition, 83(4), 851-858.

5 Kent, J. C. (2007). How breastfeeding works. J Midwifery Womens Health, 52(6), 564-570.

6 Mohrbacher, N. (2011). The magic number and also long-term milk production.Clinical Lactation, 2(1), 15-18.

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7 Kent, J. C., Mitoulas, L. R., Cregan, M. D., Ramsay, D. T., Doherty, D. A., & Hartmann, P. E. (2006). Volume and frequency that breastfeedings and also fat contents of chest milk throughout the day. Pediatrics, 117(3), e387-395.