Prolactin Hormone Imbalance & Fertility: Causes & Solutions

Excess prolactin hormone (hyperprolactinemia) disrupts reproductive hormones like estrogen and progesterone, causing menstrual irregularities, infertility, and erectile dysfunction. It can stem from tumors, thyroid issues, or medications.

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Key Takeaways

Prolactin Hormone Functions in Men and Women Explained

Prolactin stimulates sperm production and sexual desire in men while regulating menstrual cycles, breast development, and lactation in women. Levels rise during pregnancy and return to baseline post-childbirth.

Hyperprolactinemia Causes & Risk Factors

Excess prolactin can result from pituitary tumors (prolactinoma), hypothyroidism, chronic kidney/liver disease, chest injuries, or medications like antihypertensives and antidepressants.

How Excess Prolactin Impacts Fertility

Hyperprolactinemia disrupts estrogen and progesterone production, causing irregular ovulation, infertility, and non-pregnancy-related milk production in women. Men may experience erectile dysfunction and reduced libido.

Symptoms of High Prolactin Levels in Women

Key symptoms include amenorrhea (missing periods), vaginal dryness, breast tenderness, infertility, and galactorrhea (milk production outside pregnancy). Immediate medical evaluation is critical for irregular cycles lasting months.

Treatment Options for Hyperprolactinemia

Medications like dopamine agonists (cabergoline) regulate prolactin levels. Treating underlying causes (e.g., thyroid disorders) and fertility treatments (ovulation induction, IUI) can restore reproductive health.

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