North American Registry of Midwives (NARM) Practice Exam

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Prepare for the North American Registry of Midwives Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Get ready to excel!

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Which hormone is primarily involved in milk production?

Oxytocin
Progesterone
Estrogen
Prolactin

The correct answer is: Prolactin

Prolactin is the hormone primarily responsible for milk production in the lactating breast. This hormone is secreted by the pituitary gland and plays a crucial role in the development of mammary glands during pregnancy, as well as in the stimulation of milk synthesis during breastfeeding. Prolactin levels rise significantly during pregnancy to prepare the body for lactation, and after childbirth, its secretion is stimulated by the baby’s suckling, which helps to establish and maintain milk supply. This hormonal regulation ensures that the mother is capable of producing adequate milk to meet the nutritional needs of her infant. Understanding the role of prolactin in lactation is vital for midwives and healthcare practitioners when addressing breastfeeding challenges or educating mothers about milk production and feeding practices.