How does prolactin suppress gonadotropin?

Alexanders

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I’ve read that prolactin secretion suppress gonadotropin. Is this true for the biological actions of prolactin as a hormone? Or is it only an indirect consequence, based on the cases where high prolactin are caused by a prolactinoma that suppress the release of gonadotropin in hypothalamus?
 

frannybananny

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I’ve read that prolactin secretion suppress gonadotropin. Is this true for the biological actions of prolactin as a hormone? Or is it only an indirect consequence, based on the cases where high prolactin are caused by a prolactinoma that suppress the release of gonadotropin in hypothalamus?
How do you get high prolactin....where does it come from? Sorry for my ignorance.
 
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Alexanders

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How do you get high prolactin....where does it come from? Sorry for my ignorance.
I think it’s created only in the pituitary gland. It can be caused by a prolactinoma (tumor in the pituitary gland), but can increase for other reasons too, like stress which I believe is the trigger in my case.
 

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