Nowadays, human prolactin is well established as a separate entity from pituitary growth hormone by a variety of biologic, chemical, immunologic and clinical characteristics.
Specific and sensitive radioimmunoassay have been developed by several laboratories and this development has afforded an opportunity to study the prolactin under the physiologic and pathologic events.
Author was determined the serum prolactin in 185 healthy Korean males and females according to age and sex differences by radioimmunoassay.
The results were as follows:
1. The normal value (mean±1 SD) of serum prolactin was 10.8±5.3 ng/mL.
2. The normal values (mean±1 SD) in males and females were 10.0±4.8 ng/mL and 11.7±5.7 ng/mL, respectively. The difference of normal values of serum prolactin betweenmales-and females were significantly higher in females than in males.
3. The normal values of serum prolactin in females were in decreasing order to froth, first, third, fifth and second decades.
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