International Board of Certified Lactation Consultant (IBCLC) Practice Exam

What key nutrient is primarily provided by the mother's milk in the first few days of birth?

1. Carbohydrates

2. Proteins

3. Fats

4. Antibodies

The correct answer is: Antibodies

The primary nutrient provided by a mother's milk in the first few days after birth is antibodies. In this early stage, known as colostrum, the mother's milk is particularly rich in immunoglobulins, particularly IgA, which plays a crucial role in protecting the newborn from infections. These antibodies are vital in bolstering the infant's immune system, as the newborn is exposed to a new environment filled with potential pathogens. Colostrum not only offers these essential antibodies but also has a lower concentration of fats and carbohydrates compared to mature milk. The high level of antibodies in colostrum helps support the infant's health before their own immune system begins to mature and function effectively. This early milk is often called "liquid gold" due to its rich nutrient content and protective qualities. While the other nutrients like carbohydrates, proteins, and fats are important for overall growth and development, the immediate protection against disease through antibodies is critical in the first days of life.