IBCLC Practice Exam 2025 – Complete Preparation Guide

The primary role of colostrum produced during late pregnancy is to provide early nutrition and immunological protection. Colostrum is the first form of milk that is produced by the mammary glands in the late stages of pregnancy and shortly after childbirth. It is rich in proteins, antibodies, and essential nutrients that are crucial for the newborn's health.

This early milk is particularly significant because it contains high levels of immunoglobulins, especially IgA, which play a vital role in the newborn's immune system by helping to protect against infections. Additionally, colostrum is low in fat but high in other nutrients, making it ideal for the newborn's needs in the first few days of life. It helps to kickstart the infant's metabolism and digestive function while providing the necessary nutrients to promote growth.

While preparing the breast for milk production, stimulating fetal growth, and aiding in the maturation of the digestive system are important aspects of overall lactation and development, they cannot fully encompass the primary function of colostrum. The unique combination of nutrition and immune support that colostrum provides establishes its critical role in the initial feeding of newborns and sets the stage for their healthy development.