What Is a Normal FSH Level?

Normal follicle-stimulating hormone, or FSH, levels vary depending on age and gender, according to MedlinePlus. Normal levels for a prepubescent male are between 0 to 0.5 milli international units per milliliter, and normal levels for a prepubescent female are between 0 to 0.4 mIU/ml.

Normal FSH levels for an adult male range from 1.5 to 12.4 mIU/ml, as detailed by MedlinePlus The typical FSH range for menstruating women is between 4.7 to 21.5 mIU/ml. The time period of a woman’s monthly cycle affects the range of results when testing FSH level. After menopause, a normal FSH level for women is between 25.8 to 134.8 mIU/ml.