Prolactin
Pituitary hormone involved in lactation and reproductive regulation; elevated prolactin can cause infertility or galactorrhea.
Prolactin Biomarker Test
Prolactin is a pituitary hormone that shapes reproductive, lactation, and thyroid balance. It affects cycles, fertility, sexual wellness, mood, and bone health by modulating estrogen and testosterone through pituitary–gonadal signaling.Prolactin levels rise naturally with pregnancy, breastfeeding, stress, and sleep, and can shift with medications or thyroid changes.Testing helps reveal whether prolactin is contributing to symptoms such as irregular periods, infertility, low libido, erectile issues, or nipple discharge, and provides a clear baseline to track over time.
Prolactin
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