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About LLL

Benefits to Mother and Baby

Preparing for Breastfeeding

The Early Weeks

General Breastfeeding Questions

Nutrition and Diet for the Breastfeeding Mother and Baby

Breastmilk (Is My Milk Safe for My Baby?)

Medical Concerns of Breastfeeding Women

Medical Concerns and the Breastfed Baby

The Family and the Breastfed Baby

Special Circumstances

Premature Infants

Pumping, Working, and Breastfeeding

Weaning

Breastfeeding the Older Baby

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Frequently Asked Questions

Our FAQs present information from La Leche League International on topics of interest to parents of breastfed children. Not all of the information may be pertinent to your family's lifestyle. This information is general in nature and not intended to be advice, medical or otherwise. If you have a serious breastfeeding problem or concern, you are strongly encouraged to talk directly to a La Leche League Leader. Please consult health care professionals on any medical issue, as La Leche League Leaders are not medical practitioners.

What is colostrum? Does it benefit my baby in any way?

Colostrum is the first milk your breasts produce in the early days of breastfeeding. This special milk is low in fat, and high in carbohydrates, protein, and antibodies to help keep your baby healthy. It is extremely easy to digest, and is therefore the perfect first food for your baby. It is low in volume but high in concentrated nutrition for the newborn. Colostrum has a laxative effect on the baby, helping him pass his early stools, which aids in the excretion of excess bilirubin and helps prevent jaundice.

When your baby is breastfed early and often, your breasts will begin producing mature milk around the third or fourth day after birth. Your milk will then increase in volume and will generally begin to appear thinner and lighter in color. In those first few days it is extremely important to breastfeed your newborn at least 9-12 times in 24 hours-- and more often is even better. This allows your baby to get all the benefits of the colostrum and also stimulates production of a plentiful supply of mature milk. Frequent breastfeeding also helps prevent engorgement.

Your colostrum provides not only perfect nutrition tailored to the needs of your newborn, but also large amounts of living cells which will defend your baby against many harmful agents. The concentration of immune factors is much higher in colostrum than in mature milk.

Colostrum actually works as a natural and 100% safe vaccine. It contains large quantities of an antibody called secretory immunoglobulin A (IgA) which is a new substance to the newborn. Before your baby was born, he received the benefit of another antibody, called IgG, through your placenta. IgG worked through the baby's circulatory system, but IgA protects the baby in the places most likely to come under attack from germs, namely the mucous membranes in the throat, lungs, and intestines.

Colostrum has an especially important role to play in the baby's gastrointestinal tract. A newborn's intestines are very permeable. Colostrum seals the holes by "painting" the gastrointestinal tract with a barrier which mostly prevents foreign substances from penetrating and possibly sensitizing a baby to foods the mother has eaten.

Colostrum also contains high concentrations of leukocytes, protective white cells which can destroy disease-causing bacteria and viruses.

Later, when you are producing mature milk for your baby, the concentrations of the antibodies in the milk will be lower, but your baby will be taking in much higher volumes of milk. The disease-fighting properties of human milk do not disappear with the colostrum. In fact, as long as your baby receives your milk, he will receive immunological protection against many different viruses and bacteria.

Last updated Tuesday, December 11, 2001 1:11 PM by sak.