High Prolactin

Normal ovulation is a complex process that requires many things to happen properly and at the correct time with the proper hormone levels. Often subtle hormonal imbalances or ovulation abnormalities result in decreased fertility. One hormone imbalance that can affect fertility is prolactin levels. High prolactin levels in nonpregnant women is known as hyperprolactinemia.

Structure of prolactin

The Hormone Prolactin

Prolactin is a hormone secreted by the pituitary gland, located at the base of the brain. In nonpregnant women, prolactin circulates in low levels in the bloodstream. When a woman is pregnant the amount of prolactin increase tenfold and stimulate milk production. High prolactin can create several problems including:

  • inadequate progesterone production during luteal phase after ovulation
  • irregular ovulation and menstruation
  • absence of menstruation
  • galactorrhea (breast milk production in non-nursing woman)

Prolactin Testing

Prolactin testing, a blood test, is usually performed in females in the morning at the beginning of the cycle and again seven days later to determine if the prolactin levels are normal. Normal prolactin level in women is approximately 25 nanograms per milliliter. High prolactin my indicate the need for further testing (MRI) to check for a pituitary tumor.

Dive Deeper


The information provided on ConceivingConcepts.com is designed to support, not replace, the relationship that exists between a patient/site visitor and his/her health professional. This information is solely for informational and educational purposes. The publication of this information does not constitute the practice of medicine, and this information does not replace the advice of your physician or other health care provider. Neither the owners or employees of ConceivingConcepts.com nor the author(s) of site content take responsibility for any possible consequences from any treatment, procedure, exercise, dietary modification, action or application of medication which results from reading this site. Always speak with your primary health care provider before engaging in any form of self treatment. See our Legal Statement for more details.

Fertility Clinics Directory

Find a Fertility Clinic

If you or a loved one is suffering from infertility and needs help conceiving then we are here to offer help in any way we can. We have over 450 Fertility Clinics listed on our Directory. Click here to search for a Fertility Clinic that is right for you.