Which hormone causes breast changes, including enlargement and darkening of the nipple?
a. progesterone c. estrogen
b. luteinizing hormone d. adrenocorticotropic hormone (ACTH)
C
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A Incorrect. Progesterone is not associated with breast changes, including enlargement and darkening of the nipple.
B Incorrect. Luteinizing hormone is not associated with breast changes, including enlargement and darkening of the nipple.
C Correct. Estrogen causes breast changes, such as the enlargement and darkening of the nipple.
D Incorrect. Adrenocorticotropic hormone (ACTH) is not associated with breast changes, including enlargement and darkening of the nipple.
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