A mother has a lot of milk stored in the breast and mammary glands but cannot seem to expel the milk for her newborn. Her doctor thinks that the cause may be
A) low levels of oxytocin.
B) high levels of HCG.
C) low levels of estrogen.
D) low levels of progesterone.
E) unresponsive smooth muscle around the mammary glands.
A
Anatomy & Physiology
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