International Board of Certified Lactation Consultant (IBCLC) Practice Exam

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At approximately how many weeks gestation does colostrum production begin?

14 weeks
16 weeks
18 weeks
20 weeks

The correct answer is: 16 weeks

Colostrum production begins around 16 weeks of gestation, which marks an important stage in prenatal development. During this time, the breast tissue undergoes significant changes due to hormonal influences, specifically from estrogen and progesterone, which prepare the breasts for lactation. Colostrum is the first form of milk produced by the mammary glands, rich in antibodies and nutrients, essential for the newborn's immune system and initial feeding. Understanding the timing of colostrum production is key for lactation consultants when providing guidance and support to expectant mothers. Recognizing the early signs of lactation can help assess and address any concerns related to breastfeeding and the mother's readiness for feeding after delivery. This knowledge is essential not only for the health of the newborn but also for fostering the maternal-infant bond through early skin-to-skin contact and breastfeeding.