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What is the function of colostrum, the first milk produced by the mammary gland after childbirth?
Providing nourishment for the newborn
Stimulating milk production
Enhancing immune protection for the newborn
Regulating hormone levels in the mother
Answers (1)
The function of colostrum, the first milk produced by the mammary gland after childbirth, is to enhance immune protection for the newborn. Colostrum is a thick, yellowish fluid that is rich in antibodies, immune cells, and other bioactive substances. It provides the newborn with passive immunity, helping to protect them against infections and diseases during the early days of life when their own immune system is not fully developed.
Colostrum contains high concentrations of immunoglobulins, particularly IgA antibodies, which help defend against pathogens in the baby's digestive tract. It also contains other immune factors such as lactoferrin, lysozyme, and cytokines that support the newborn's immune system and promote healthy gut colonization.
While colostrum does provide some nourishment for the newborn, its primary role is to enhance immune protection rather than serving as a significant source of nutrients. As the days go by after birth, colostrum transitions into mature breast milk, which fulfills the baby's nutritional needs.
Stimulating milk production, regulating hormone levels in the mother, and other hormonal functions are not specific functions of colostrum. Its main purpose is to provide immune support to the newborn.
Hence, the correct answer is option 3.
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