What is colostrum?
Colostrum is a thick fluid that the breasts start producing by the third trimester of pregnancy. Unlike regular breast milk, it often has a yellow or golden color, and sometimes it may even be clear. Colostrum is considered the ideal first food for newborns due to its rich composition. It contains higher protein levels and fewer carbohydrates and fats compared to regular white breast milk. While the exact composition may vary, colostrum generally contains antioxidants, enzymes, hormones, and immune-boosting components.
What are the components of colostrum? * *
Colostrum contains high levels of the following nutrients:
Proteins, including lactoferrin, which have protective effects against infection and promote cell growth.
Fats.
Magnesium.
Carbohydrates.
Vitamin A: Supports the development of the infant’s vision, strengthens the immune system, and improves skin health.
Vitamin B12: Newborns need vitamin B12, which is essential for brain development and the production of healthy red blood cells.
Vitamin C: Which supports infection prevention.
White blood cells (leukocytes) : Produce antibodies. When a newborn consumes colostrum, these antibodies help strengthen their immune system and provide protection against infections.
What are the benefits of colostrum?
Provide immunity: Colostrum's maternal antibodies function as a natural antibiotic, protecting the infant from environmental pathogens.
Nutrient-rich: Colostrum contains all essential nutrients needed for safe and rapid newborn growth.
Improves gut health: Colostrum is gentle on the newborn’s stomach due to its low fat content and helps protect the intestinal lining from harmful microorganisms.
Functions as a natural laxative: It lowers the risk of neonatal jaundice by aiding in the newborn's first stool (meconium) excretion.
Supports temperature regulation: Colostrum helps regulate body temperature, lung function, circulation, and blood sugar levels.So that the baby can adapt to the outside world as quickly as possible. The small volume encourages the newborn to learn how to suck, swallow, and breathe effectively during feeding.
Promotes growth: Growth proteins in colostrum support the healthy development of preterm infants.
When does colostrum production begin?
Pregnancy hormones like progesterone, produced by the placenta, stimulate colostrum production as early as weeks 12 to 18 of pregnancy. From the second trimester onward, colostrum may occasionally leak from the breasts. It usually appears in small drops due to its thick consistency, but provides sufficient nutrition for the newborn. In cases where the infant has difficulty breastfeeding, colostrum can be expressed manually to help feed the baby, as breast pumps may not be effective in extracting this thick milk.
When does colostrum transition to mature breast milk?
There are three stages of breast milk production:
Colostrum: The first milk produced for two to five days after birth. After which, the milk composition begins to change.
Transitional Milk: This milk is a blend of colostrum and mature white milk. It is usually produced from day 5 to around 2 weeks postpartum. Milk volume increases significantly during this period to meet the growing nutritional and developmental needs of the fast-growing newborn.
Mature Milk: By 4 to 6 weeks after birth, the transition is complete. The milk is now considered fully mature, with no remaining traces of colostrum. It becomes thinner, whiter in appearance, and contains higher levels of fat and sugar.
Frequently Asked Questions
Can colostrum be stored?
Specialized breast milk storage bags can be used to store colostrum. It is important to label each bag with the date and time of expression to ensure proper usage from oldest to newest. Colostrum should be stored in the refrigerator between 2 and 4°C for up to 48 hours to prevent spoiling. After 48 hours, it should be transferred to a freezer at -18°C for longer storage.
What does colostrum look like?
Colostrum is typically golden yellow, much like an egg yolk. This concentrated milk is sometimes referred to as "liquid gold" due to its color and high nutritional value for newborns. The yellow hue of colostrum comes from fat-soluble colored pigments called carotenoids, which function as antioxidants.
In some cases, colostrum may appear clear, white, or creamy and is usually thicker than mature breast milk or cow's milk. It may also contain faint traces of blood, which is generally normal and not a cause for concern unless bleeding is heavy.
How much colostrum does a newborn need to feel satisfied?
The amount of colostrum your body produces is just right for your newborn. The volume your baby consumes increases daily, and your milk supply will adjust as your baby's stomach grows. In the early days, a newborn’s stomach is only about the size of a cherry, and small amounts of milk are easier to swallow. Colostrum can be expressed by hand to ensure the newborn receives it. Hand expression is often more effective than using a breast pump in the first hours after birth. Be sure to feed your baby on demand to help initiate milk production and support your baby's health and strength.
Sources:
https://www.moh.gov.sa/awarenessplateform/ChildsHealth/Pages/Colostrum.aspx
