Prolactin test: when to take it and what it is for
Why a prolactin test is ordered, how hormone levels change during the day, what affects the result, and which numbers prompt a search for the cause.
Why a prolactin test is ordered, how hormone levels change during the day, what affects the result, and which numbers prompt a search for the cause.
Hormones are chemical messengers that regulate growth, metabolism, mood, and reproduction. We explain which glands produce them, what sex hormones do, and when testing is needed.