----------------------------------------------------------------- TEST RESULT REFERANCE VALUE --------------------------------------------------------------- S.PROLACTIN > 100 ng/ml. MALES - 3.28 - 19.68 FEMALES - 3.24 - 29.12 PREGNANCY, LACTATION, AND ORAL CONTRACEPION CAN INCREASE THE PRL LEVELS. STRESS AND MILD EXERCISE MAY CAUSE A MODERATE INCREASE OF PRL CONCENTRATIONS.PATHOLOGICALLY INCREASED PRL LEVELS HAVE BEEN REPORTED IN CASE OF PROLACTIN - PRODUCING ADENOMAS OF THE PITUITARY, LEADING TO CLINICAL SYMPTOMS SUCH AS AMENORRHOEA, HYPOGONADISM AND GLACTORRHOEA. ----------------------------------------------------------------------------------------------------