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During the differentiation of mammary gland alveolar cells in late pregnancy, the hormone that acts synergistically with estrogen is which of the following?

A) ADH (vasopressin)
B) Human chorionic gonadotropin
C) Human placental lactogen
D) Luteinizing hormone
E) Oxytocin
 

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Was Progesterone not in the options? :s

I don't know if the answer is Oxytocin, as cellular differentiation is a function of Estrogen and Progesterone. I'd wanna say HCG, but since the question clearly says late pregnancy, HCG cannot be right as it is not required any more for the production of Progesterone (Now being produced by the Placenta using LDL itself)

Best guess, HCG-
 

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HPL is the only one that's left then...

But that is more like a GH like hormone secreted from the placenta in late pregnancy right??? Its more of a ketosis/lipolysis promoting hormone with little effect on growth :S

Where did you get this question from??? Lol!
 
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