Prolactin

Gonadotropins

A healthy result should fall into the range 102 - 496 mU/L, or 4.79 - 23.31 ng/mL.

Prolactin is a hormone produced by the pituitary gland that causes breast development in women and milk production in pregnant women. Prolactin does not have known biological function in men. Serum prolactin increases normally throughout pregnancy, reaching its highest level at the time of delivery. Prolactin also increases during nipple stimulation and breastfeeding. Physical and emotional stress can cause serum levels of prolactin to rise as well. In these cases, however, the increase is usually modest and usually do not exceed normal age and gender ranges. Other causes of elevated serum prolactin levels can lead to hyperprolactinemia, which is a higher than normal level of serum prolactin.

Normal Ranges for prolactin:

Adult Male

2.0-18.0

ng/mL

Adult Female

 

 

  Non-Pregnant

3.0-30.0

ng/mL

  Pregnant

10.0-209.0

ng/mL

  Postmenopausal

2.0-20.0

ng/mL

 

Sources:

http://www.questdiagnostics.com/testcenter/TestDetail.action?ntc=746

https://www.uptodate.com/contents/causes-of-hyperprolactinemia

https://www.uptodate.com/contents/clinical-manifestations-and-evaluation-of-hyperprolactinemia

https://emedicine.medscape.com/article/2089400-overview#a4

https://emedicine.medscape.com/article/124526-clinical#b5


Stages of Puberty (Tanner Stages)

 

Female Observed

Male Observed

  Stage I

3.6.12.0 ng/mL

≤10.0 ng/mL

  Stage II-III

2.6-18.0 ng/mL

≤6.1 ng/mL

  Stage IV-V

3.2-20.0 ng/mL

2.8-11.0 ng/mL

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