How To Deal With Leaking Breasts While Breastfeeding?

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Leaking breasts during lactation can be a cause of concern. Most mothers worry about it interfering with their ability to breastfeed successfully. Does breast leakage soon after childbirth and during breastfeeding impact the nutrition your baby gets? Find out about it in this MomJunction article on breast leakage postpartum and during lactation.

What Causes Breast Leakage During Lactation?

It is normal for breasts to leak after delivery and during regular breastfeeding. Here are a few reasons why it happens.

  1. Your breasts are full even before delivery: The breast tissue begins production of colostrum during the second trimester, and you may feel fullness in your breasts even before the baby is born (1). So there are chances your breasts may leak immediately after childbirth since they reach their maximum capacity of milk production and storage by then.
  1. Prolactin causes a rampant increase in breast milk production: After childbirth, there is a drop in ovarian hormones and the pituitary gland hormone called prolactin takes over. This hormone increases the production of breast milk (2). The sharp rise in milk production may cause milk to leak out a little.
  1. Secretion of oxytocin: Prolactin only stimulates the milk lobules to make milk, but oxytocin causes the milk lobules to contract and release the milk into the milk ducts, thus causing a leak. Oxytocin is produced by the hypothalamus, a region of the brain close to the pituitary gland (3).

The hypothalamus takes time to adjust to the production of oxytocin, which leads to random leakage of breast milk during the first few days to a week postpartum.

  1. Initial gap in demand and supply: You cannot always predict how frequently your baby will feed initially. So, there is bound to be a gap between the feeding demands of the baby and the pace at which your breasts produce the milk. Sometimes, the breasts may produce milk even when your baby is not hungry, resulting in excess milk and leakage (4).

While breast milk leakage is normal after delivery and lactation, it is not permanent and stops eventually.

[Read: Breastfeeding With Implants]

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How Long Does Breast Leakage Last?

Breast milk leakage postpartum and when breastfeeding usually lasts for a week to two weeks (5). It is unlikely that the leakage continues for a month since a couple of weeks is all that is needed to synchronize demand and supply of breast milk. Your body slowly strikes a balance between the baby’s demands and milk production thus regulating the output of hormones accordingly.

While the milk leakage stops eventually, it can be a cause of worry in some situations and warrants a doctor’s attention.

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When To See A Doctor For Breast Milk Leakage?

It is good to see a doctor for breast milk leakage in the following situations:

  • The milk discharge makes it difficult for you to breastfeed your baby. It is possible that the baby is not getting sufficient milk due to the milk leakage.
  • The breasts feel sore, inflamed, and painful most of the time. You experience a burning sensation in the breasts every time there is a discharge from the nipple.
  • The nipple discharge is white or contains blood. It could be a sign of mastitis, which is an infection of the milk lobules (6).
  • The breasts have a lump and are hard to touch.
  • You have a breast implant. In rare cases, the breast implant may rupture within the body and leak its contents in the surrounding tissue (7).

[Read: Breastfeeding From One Breast]

A doctor can review the symptoms and diagnose the condition accordingly. Milk leakage without any of these symptoms is seldom a cause for concern. You can manage the situation at home with some easy measures.

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How To Manage And Stop Breast Leakage?

Here is what you can do minimize and control breast leakage (8):

  1. Maintain a regular nursing pattern: A regular nursing pattern involves feeding at the same time each day to synchronize the baby’s demand with your body’s milk supply. The hormones prolactin and oxytocin are also produced at the right time in the right quantity, which eventually prevents breast leakage.
  1. Express at fixed timings: If you mostly feed expressed breast milk to your baby, then express milk at fixed time intervals. It helps to set a routine, which prevents abnormal leakage of milk.
  1. Use nursing pads: Usage of nursing pads help prevents a mess that could arise due to abrupt leakage of milk from the breasts. You can get washable or disposable nursing pads. Disposable pads are ideal when you are traveling and in situations when you cannot wash your nursing pads.
  1. Wear an absorbent bra: Wear a cotton bra over the nursing pads. Cotton can absorb liquids better, which can prevent your clothes from staining due to breast milk leakage.
  1. Choose darker colors for clothing: A nursing pad and absorbent bra are usually sufficient to prevent milk from getting on to your clothes. In case of too much leakage, you can consider wearing dark colored clothes, which can hide the milk stains better.

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Leaking breasts do not last for long, and as your baby grows older, you will seldom notice it from happening. Some women may leak for as long as they breastfeed. This, too, is normal. But if the condition is making you uncomfortable for some reason and causing pain or burning sensation, go to a doctor.

[Read: Itchy Breasts While Breastfeeding]

How did you deal with breast leakage when you experience it? Do let us know in the comment section below.


MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.
1. Changes in the breasts; The Open University
2. How Breastmilk is Made; University Of Rochester Medical Center
3. S.K.Fineberg, D.A.Ross; Oxytocin and the Social Brain; NCBI(2017)
4. Edited & Revised by L. M. Biga et al.; Lactation; Oregon State University
5. Pregnancy: Physical Changes After Delivery; Cleveland clinic
6. Mastitis; NHS
7. Edited by M Grigg, S Bondurant, V L. Ernster, and Roger Herdman; Information for Women About the Safety of Silicone Breast Implants; National Academy of Sciences (2000)
8. Breastfeeding Questions; Seattle Children’s


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Melissa Kotlen

Melissa Kotlen has been advising mothers on breastfeeding issues for 17 years. She is an International Board Certified Lactation Consultant (IBCLC) and a Registered Nurse (RN), with additional background in Midwifery. Melissa also provides lactation guidance and assists with business development matters for MommaWork, a company focusing on supporting working mothers. Melissa assists women on breastfeeding issues in private, classroom,... more

Swati Patwal

Swati Patwal is a clinical nutritionist and toddler mom with over eight years of experience in diverse fields of nutrition. She started her career as a CSR project coordinator for a healthy eating and active lifestyle project catering to school children. Then she worked as a nutrition faculty and clinical nutrition coach in different organizations. Her interest in scientific writing... more