During pregnancy, mammary gland development is stimulated by
A)estrogen
B)progesterone
C)prolactin
D)all of the above
E)PIH

Question

Quizplus · Accepted Answer

Mammary gland development during pregnancy is stimulated by all three hormones: estrogen, progesterone, and prolactin. Estrogen and progesterone prepare the breast tissue for milk production, while prolactin is responsible for stimulating milk production after birth. PIH (prolactin-inhibiting hormone) actually inhibits prolactin secretion, so it would not stimulate mammary gland development.

During Pregnancy, Mammary Gland Development Is Stimulated by