What does hormone prolactin do?

Prolactin is a hormone made by the pituitary gland, a small gland at the base of the brain. Prolactin causes the breasts to grow and make milk during pregnancy and after birth. Prolactin levels are normally high for pregnant women and new mothers.

What causes high prolactin in females?

Its hormones help regulate important functions such as growth, metabolism, blood pressure and reproduction. Other possible causes of prolactin overproduction include medications, other types of pituitary tumors, an underactive thyroid gland, ongoing irritation to the chest, pregnancy and breast-feeding.

Does prolactin affect mood?

Overall, the results suggest that prolactin is associated with specific psychological symptoms including somatization, anxiety, hostility, paranoid ideation and psychoticism, especially in females, rather than a general indication of depressive symptom severity, and may represent a transdiagnostic hormonal phenotype.

What causes prolactin to release?

The major physiological stimulus to prolactin secretion is suckling. Prolactin levels also rise during the latter half of pregnancy, an effect that is thought to be mediated by oestradiol. Like growth hormone, prolactin secretion is also increased during sleep and by stress and exercise.

Does prolactin affect sleep?

Prolactin (PRL) is one of the growth factors that influences sleep. It is unique as a growth-sleep factor in that its primary action is to promote rapid eye movement sleep (REMS; also called paradoxical sleep).

What is the symptoms of prolactin?

Symptoms of High Prolactin Levels

  • Infertility, or inability to get pregnant.
  • Breast milk leakage in people who aren’t nursing.
  • Absent periods, infrequent periods, or irregular periods.
  • Loss of interest in sex.
  • Painful or uncomfortable intercourse.
  • Vaginal dryness.
  • Acne.
  • Hirsutism , excess body and facial hair growth.