Glossary

What is FSH (follicle stimulating hormone)?

FSH, or follicle stimulating hormone, is a hormone made by the pituitary gland in your brain. It helps the eggs in your ovaries grow and get ready for ovulation each month.

Written by Poshan Labs. Sources are named on the page. Last updated 26 October 2026.

FSH on your report

Usually reported in mIU/mL, with different ranges for:

  • each phase of the cycle
  • after menopause

Check which range your lab has marked. Testing is usually not needed after 45 just to confirm menopause unless your doctor has a reason.

FSH: a hormone made by the pituitary gland in your brain.

What FSH tells your doctor

FSH changes through your cycle, so the day of testing matters.

In younger women, usually read together with LH, it helps doctors look into:

  • irregular or missed periods
  • fertility problems
  • PCOS

As you approach menopause, the ovaries respond less, and the brain makes more FSH to push them, so a high FSH is a normal sign of perimenopause and menopause.

Looking after yourself as FSH rises

Food does not set your FSH, and it naturally rises with age.

What you can do is support your body through these years:

  • protein at every meal
  • calcium from milk, dahi, paneer and ragi for your bones
  • plenty of vegetables and whole grains
  • regular walking and strength exercise
  • good sleep

In PCOS, steady habits that improve insulin often help your cycle. Hormone treatment is a decision for your doctor.

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