FSH

Sex HormonesHormonal BalanceBlood

FSH (Follicle-Stimulating Hormone) stimulates ovarian follicle growth in women and sperm production in men.

Why it matters: Key marker for fertility evaluation. Elevated FSH may indicate diminished ovarian reserve or menopause.

Reference Range
1.5 – 12.4mIU/mL
1.5
12.4LowNormalHigh
Symptoms of Low FSH
Reduced fertility
Delayed puberty
Symptoms of High FSH
Irregular/absent periods, hot flashes
In men: reduced sperm count
What Moves It

May increase with:

Menopause
Primary hypogonadism
Testicular failure

May decrease with:

Pituitary disorders
Hypothalamic dysfunction
Anabolic steroids
Associated Conditions
HypogonadismMenopauseInfertilityPCOS
Related Markers
LHTestosterone (Total)Estradiol
Common questions

What is FSH?

FSH (Follicle-Stimulating Hormone) stimulates ovarian follicle growth in women and sperm production in men.

What might a high or low FSH mean?

Key marker for fertility evaluation. Elevated FSH may indicate diminished ovarian reserve or menopause.

What is the typical reference range for FSH?

The general-population reference range shown here is 1.5 – 12.4 mIU/mL. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.

What can affect FSH?

It may be higher with: Menopause, Primary hypogonadism, Testicular failure. It may be lower with: Pituitary disorders, Hypothalamic dysfunction, Anabolic steroids.

More in Sex Hormones
EstradiolFree TestosteroneLHProgesteroneProlactinSHBGTestosterone (Total)

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