Supporting Breastfeeding

La Leche League Canada

Green breastmilk and Green Baby Poop

As a new mother, you may find yourself extraordinarily interested in the colour of things that you never imagined that you would spending any time considering: breastmilk and poop! In honour of St Patrick’s Day this week, let’s look at the colour that causes mothers the most concern.

Occasionally mothers who are pumping their milk are startled to discover it has a greenish tint. Generally breastmilk would be described as clear, white, bluish, tan or yellow. But at some point during the course of your breastmilk pumping experience, you may be surprised to find that your milk can be other colors as well.

Green milk can show up after the ingestion of green foods or foods containing green or blue dyes. Drinking green or blue coloured sports beverages can pass the dye into your breastmilk. Eating spinach, other deep green vegetables or seaweed may give your breastmilk a greenish cast. Some herbs and supplements can also turn breastmilk green. The Womanly Art of Breastfeeding (WAB 8th edition page 307) reminds us: “Don’t worry about the colour of your milk. It can change after you eat certain foods, but that doesn’t harm the milk at all. Just tell yourself, “If I were nursing, I wouldn’t be seeing this.” Most parents will change a diaper and find a greenish poop at least once during the diaper years.

natural weaning

Eating green food


If the baby is within the first few days of life, the poop will be transitioning from black meconium to the yellow colour that is usual for a breastfed baby. During that transition phase there can be some poops that could be described as greenish. The colour should continue to change over the next few diaper changes and is nothing to be concerned about.

As baby gets older, an occasional greenish diaper is also nothing to be concerned about as long as baby is happy, eating and gaining well and there is no sign of blood in the diaper.

Some babies have green, frothy poops. These can be a result of baby receiving more foremilk than hindmilk. “Foremilk” describes the breastmilk at the beginning of a feeding. It is lower in fat and higher in lactose than the milk at the end of a feeding which is known as “hindmilk”. The lactose, when it isn’t balanced with fat, moves through baby’s digestive system very quickly and can result in green poop. Sometimes this happens when mom has an especially forceful letdown or she has an overabundant supply of milk and baby isn’t getting the higher fat content hindmilk. If baby is otherwise healthy, happy, and gaining weight, nothing needs to be done. If baby is having trouble latching or staying latched, or isn’t gaining weight as expected then talking to a La Leche League Leader or other lactation specialist can help you find a solution to balance your supply and baby’s intake.

Green mucousy poop is a sign that baby’s intestines are irritated. If baby is still happy and eating and sleeping normally, then you can probably wait a day or two to see if things get better. If the poops return to their previous colour and frequency, probably baby had a mild virus or a reaction to something in mom’s diet. Teething may also be the culprit: When baby swallows a ton of drool, it can irritate the intestines and cause some mucus in the poop.

Green watery poops with a foul odor can be a sign of diarrhea, especially if they are much more frequent than usual. Baby diarrhea can be caused by a virus, infection, stress or food intolerance. Babies can get dehydrated quickly when they have diarrhea. In this scenario evaluation by a doctor is a good idea.

Link to: Some Common Concerns When Storing Human Milk



If you need more information or have a breastfeeding problem or concern, you are strongly encouraged to talk directly to an accredited La Leche League Leader. In Canada, Leaders can be located by clicking or Internationally


If you have found this article helpful, La Leche League Canada would appreciate your support in the form of a donation at so we can continue to help others breastfeed. Thank you!




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Diabetic or Insulin Resistant Breastfeeding Mother

Women who have Type 1 or Type 2 diabetes or who are considered insulin
resistant or “pre-diabetic” can breastfeed and doing so is good for mother and baby.

Breastfeeding has a positive effect on a mother’s insulin response.  For Type 1 diabetic mothers, this can decrease their need for insulin during the breastfeeding period.  Mothers who have Type 2 diabetes may find they require less hypoglycemic medication while breastfeeding.  Good control of your insulin levels is important while breastfeeding.  You may need to do some additional monitoring and be in close contact with your health practitioner during the early weeks until your hormones and your milk productions stabilize.

Mothers who are diabetic are at an increased risk of pre-term birth and their babies may develop prolonged low blood sugar levels shortly after birth (a dip in blood sugar levels one to two hours after birth is normal with blood sugar levels starting to rise again within 2 to 4 hours). Planning ahead with your birth team to manage these potential events can be helpful so everyone is prepared and not making decisions in a stressful situation.  If at all possible, plan to breastfeed within the first hour after birth and at least once an hour until the baby’s blood sugar levels stabilize.  Skin-to-skin contact has been found to decrease the risk of hypoglycemia in newborns and it helps trigger the hormones that drive breastfeeding.
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A mother who is diabetic or insulin resistant may find that it takes a bit longer for her milk volume to increase after giving birth.  Colostrum is providing all the nutrients (vitamins, minerals and fats) that baby needs through the early days.  Frequent effective feedings will speed up the body’s ability to increase the milk volume.  In the event that supplementation is required during the first few days, human donor milk is the best option.  A non-cow’s milk based formula is the next best option of donor milk is not available.  Early introduction of cow’s milk is considered a risk factor for later development of diabetes.  Talk to a La Leche League Leader or lactation professional if you have concerns about your milk supply.

Breastfeeding may make your blood glucose levels harder to predict.  To prevent blood sugar dips:

Plan to have a snack before or during nursing
* Drink enough fluids (plan to sip a glass of water or a caffeine-free drink while nursing)
* Keep something to treat low blood glucose nearby when you nurse, so you
* don’t have to stop your child’s feeding
* Developing a meal plan with your health care provider or dietitian will allow you to achieve stable blood sugar which will help you meet your breastfeeding goals.


Most medications used to treat diabetes or insulin resistance can be safely used during nursing, but be sure to check with your doctor.  The insulin molecule itself is too large to pass from your blood stream into your breast milk and it would be digested in baby’s stomach if any did pass through.  If you are considering taking herbs, like fenugreek, which may have an effect on blood sugar levels, discuss this with your health care provider.  Mothers with diabetes have an increased risk of thrush and mastitis, which is why it is important for them to look after their nipples and drain their breasts regularly.  Make sure that your baby is latched on properly and get help if you are experiencing sore nipples or sore breasts. When weaning, a diabetic mother should do so very gradually, so her body can adjust to the changing insulin requirement.  Close monitoring and medication adjustment may be required at the end of breastfeeding as it was at the beginning.

For a detailed look at Insulin resistance and lactation insufficiency by Diana Cassar-Uhl, MPH, IBCLC check out this link.

For information and breastfeeding support if you are diabetic or insulin resistant or facing any other breastfeeding challenges please contact a La Leche League Leader.


If you need more information or have a breastfeeding problem or concern, you are strongly encouraged to talk directly to an accredited La Leche League Leader.  In Canada, Leaders can be located by clicking or Internationally


If you have found this article helpful, La Leche League Canada would appreciate your support in the form of a donation at so we can continue to help others breastfeed. Thank you!






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