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Question 5#

Concerning breast development before and during pregnancy, which hormonal activity pairing is INCORRECT?

a. Estrogen: Initiates ductal development
b. Progesterone: Initiates lobular development
c. Prolactin: Initiates lactogenesis
d. Follicle stimulating hormone: Cooper ligament relaxation

Correct Answer is D

Comment:

Estrogen initiates ductal development, whereas progesterone is responsible for differentiation of epithelium and for lobular development. Prolactin is the primary hormonal stimulus for lactogenesis in late pregnancy and the postpartum period. The gonadotropins luteinizing hormone (LH) and folliclestimulating hormone (FSH) regulate the release of estrogen and progesterone from the ovaries. In turn, the release of LH and FSH from the basophilic cells of the anterior pituitary is regulated by the secretion of gonadotropin-releasing hormone (GnRH) from the hypothalamus.