Normal Hormone Levels by Age (Women)

What the hormone levels by age does

This page is an interactive reference chart, not a calculator or a quiz. You pick one of four hormones — estradiol, FSH (follicle-stimulating hormone), testosterone, or progesterone — and it shows the representative normal range for each life stage or cycle phase in women, drawn as horizontal range bars and listed in a full table with short interpretive notes. It answers the question "what counts as a normal level of this hormone at my stage of life?" without asking you to enter anything about yourself.

The numbers are a fixed, curated set. Each hormone carries its own set of stages: estradiol runs from before puberty through the follicular, ovulatory, and luteal phases, pregnancy, perimenopause, and postmenopause; FSH and progesterone are broken out by cycle phase and stage; testosterone is shown by age band plus a free-testosterone row and a "when to evaluate" threshold. Each hormone view has its own expandable Sources list; across the four hormones the cited sources are Mayo Clinic Laboratories, MedlinePlus (NIH), The North American Menopause Society (2022 hormone therapy statement), and primary studies (Stricker 2006, Randolph/SWAN 2011, Zumoff 1995, Davison 2005), with each view linking the ones relevant to that hormone.

It does not take your own lab result and tell you whether it is normal. There is no input field for your value, no scoring, and no personalization — the tool displays the same published reference intervals to everyone and leaves the comparison to you and your clinician.

How to read your result

Read each row against its stage, not in isolation. Estradiol of 20–80 pg/mL is normal in the early follicular phase but would be unexpected mid-pregnancy; the same FSH number can be routine in a cycling woman and notable after menopause. The tool deliberately splits ranges by phase and stage for this reason — a hormone value is only interpretable alongside your cycle day, age, and symptoms.

The range bars are a quick visual read of the numbers; the table below them is the exact data. Each bar is drawn by pulling the first one or two numbers out of the range text, so for open-ended or text-heavy entries — pregnancy estradiol written as "Hundreds to > 10,000," or perimenopause written as "Widely variable (often 30–150, with swings)" — the bar is only a loose approximation and can understate how high or scattered real values are. For those stages, read the table row and its notes rather than trusting the bar's width.

Treat every interval as representative, not as your lab's range. The tool labels its numbers "Representative intervals" and repeats on every hormone that ranges vary by lab and assay, so confirm any result with the clinician who ordered it. Assay method matters most at low concentrations — the very low estradiol seen after menopause and the low testosterone levels normal in women — where immunoassay and mass-spectrometry platforms diverge, which is why one lab's reference range can differ from another's. When you have an actual result, compare it to the reference range printed by the lab that ran the test. This page is educational and does not diagnose or treat anything; the on-page cross-links lead to the fuller reference article for each hormone.

What the result is based on

Everything shown comes from a static, hand-curated dataset (HORMONE_CHARTS) of four hormones with fixed reference intervals per life stage. The tool performs no medical calculation: for each stored range string it pulls the first one or two numbers to size a bar — a "< 15" row becomes 0–15, a two-number row like "20–80" spans those two values — then renders the bars alongside a full table. The extraction is naive: it takes whatever digits it finds, so an open-ended entry such as pregnancy estradiol ("Hundreds to > 10,000") still produces a bar, just an unreliable one, while the table row and its label carry the accurate figure. In the current dataset every row contains at least one number, so every row is both plotted and tabled.

The intervals are attributed in the code to Mayo Clinic Laboratories, MedlinePlus (NIH), The North American Menopause Society 2022 position statement, and peer-reviewed papers, with each hormone's Sources list linking the relevant ones. The dataset carries a last-reviewed date shown in the page schema (2026-07-01); it is not updated live and does not read any external lab feed.

What it cannot tell you

• It cannot tell you whether your own result is normal — there is no field to enter a value, no comparison, and no interpretation of your number; it only displays published ranges for you to read against.
• The intervals are representative, not your laboratory's actual reference range. Because assays differ (immunoassay versus LC-MS/MS), your lab's printed range can legitimately differ from what is shown, especially at the low estradiol levels of postmenopause and across women's testosterone.
• Ranges are only meaningful with correct timing, which the tool cannot enforce: progesterone must be drawn about 7 days after ovulation, FSH ideally on cycle days 2–5, and estradiol timed to the cycle. A correctly normal result drawn on the wrong day can look low.
• The range bars can misrepresent open-ended or highly variable stages. Because a bar is drawn from the first one or two numbers in the range text, an entry like pregnancy estradiol ("Hundreds to > 10,000") or the perimenopausal "widely variable" ranges yields a bar that does not reflect how high or scattered real values can be — the table label, not the bar, is the figure to read.
• It does not account for hormone therapy, oral contraceptives, or SHBG. Women on estrogen or testosterone therapy read differently by dose and route, and a normal total testosterone can still mean low active (free) hormone when SHBG is high — the tool flags SHBG in the free-testosterone row's note but performs no adjustment.
• It covers only these four hormones by stage. It does not include LH, DHEA, AMH, thyroid hormones, or any individualized factor such as BMI, medications, ethnicity, or ovarian surgery, and it is not a menopause-diagnosis test.