Prolactin is a polypeptide hormone secreted by the anterior pituitary under the control of prolactin inhibiting factors. These factors are secreted by the hypothalamus. Prolactin is also synthesized by the placenta and is present in amniotic fluid.
Prolactin initiates and maintains lactation in females . It also plays a role in regu...
2.1 - 17.7 ng /ml
Normal Menstruating : 2.8 - 29.2 ng /ml
Pregnant : 9.7 - 208.5 ng /ml
Post menopausal : 1.8 - 20.3 ng /ml
When to get Tested
When a person has s/s of Prolactinoma, such as unexplained headaches, visual impairment, and/or unexplained nipple discharge
When a woman is experiencing infertility or irregular menstrual periods
When a man has symptoms such as libido, breast discharge ,infertility or low testosterone level
Other pituitary tumours and disease
Chest wall trauma or irritation
Medication- related (estrogens, tricyclic antidepressants, metoclopramide, reserpine, methyldopa, H2 blockers)