---
title: "What does a low Estradiol mean?"
type: biomarker-interpretation
url: "https://www.test-well.com/biomarkers/estradiol/low"
biomarker: Estradiol
direction: low
reference_range:
  - "Male, age 18+: 10.0 – 40.0 pg/mL"
  - "Female, age 18+, varies by cycle phase: 15.0 – 350 pg/mL"
reviewed_at: 2026-09-06
review_status: reviewed
date_published: 2026-09-05
---

# What does a low Estradiol mean?

> Low estradiol is expected after menopause and early in the menstrual cycle, so context decides its meaning. In a woman of reproductive age with missed periods it points to ovarian insufficiency, low body weight or over-exercise, high prolactin, or a pituitary problem. In men, low estradiol on testosterone-lowering therapy or aromatase inhibitors contributes to bone loss and joint pain.


## What is the normal range for Estradiol?

- Male, age 18+: 10.0 – 40.0 pg/mL
- Female, age 18+, varies by cycle phase: 15.0 – 350 pg/mL



## What are the common causes of low Estradiol?

1. Menopause or perimenopause
2. Normal early follicular phase (cycle days 2–5)
3. Functional hypothalamic amenorrhea: low body weight, eating disorders, heavy exercise, stress
4. Primary ovarian insufficiency, Turner syndrome
5. High prolactin, pituitary disorders
6. Men: aromatase inhibitors, hypogonadism

## What symptoms go with low Estradiol?

- Hot flashes, night sweats, vaginal dryness
- Irregular or absent periods
- Low mood, poor sleep, joint aches
- Bone loss over time

## What do clinicians usually check next?

- FSH and LH — high FSH points to the ovaries; low or normal points upstream
- Prolactin and TSH
- Pregnancy test in anyone who could be pregnant
- Bone density assessment if low estradiol is prolonged

Follow-up tests at TestWell: [TSH (Thyroid Stimulating Hormone)](https://www.test-well.com/tests/tsh) ($26.99), [TSH + Free T4](https://www.test-well.com/tests/tsh-with-free-t4) ($27.99), [FSH (Follicle Stimulating Hormone)](https://www.test-well.com/tests/fsh) ($29.99), [Pregnancy Test (Quantitative hCG)](https://www.test-well.com/tests/hcg-quantitative) ($26.99), [LH (Luteinizing Hormone)](https://www.test-well.com/tests/luteinizing-hormone) ($36.99), [Prolactin](https://www.test-well.com/tests/prolactin) ($39.99).

## How do you recheck Estradiol?

| Test or panel | Type | Price | Fasting | Results |
| --- | --- | --- | --- | --- |
| [Women's Fertility Essentials](https://www.test-well.com/tests/female-fertility-panel) | Panel (5 tests) | $119.99 | No | 3–5 business days |
| [Erectile Dysfunction Panel](https://www.test-well.com/tests/erectile-dysfunction-panel) | Panel (7 tests) | $114.99 | Yes | 2–5 business days |
| [Men's Hormone Panel](https://www.test-well.com/tests/mens-hormone-panel) | Panel (7 tests) | $199.99 | No | 3–5 business days |
| [Estradiol (E2)](https://www.test-well.com/tests/estradiol) | Test | $35.99 | No | 1–3 business days |

Plus one $6 lab processing fee per order; physician authorization included.

## Common questions

### Does low estradiol confirm menopause?

A low estradiol with a high FSH in a woman of the right age, with 12 months without periods, fits menopause. Levels swing during perimenopause, so a single value isn't definitive.

## Related

- [What does a high Estradiol mean?](https://www.test-well.com/biomarkers/estradiol/high)
- [Estradiol reference ranges](https://www.test-well.com/biomarkers/estradiol)
- [Total Testosterone reference range](https://www.test-well.com/biomarkers/total-testosterone)
- [Free Testosterone reference range](https://www.test-well.com/biomarkers/free-testosterone)
- [SHBG reference range](https://www.test-well.com/biomarkers/shbg)

## Sources

- [Mayo Clinic Labs](https://www.mayocliniclabs.com/test-catalog/overview/81816)

---

Medically reviewed by Youmna DiStefano, MD (Medical Reviewer, TestWell); last reviewed 2026-09-06. Review policy: https://www.test-well.com/editorial-policy

Canonical page: https://www.test-well.com/biomarkers/estradiol/low
Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt

Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.