4-M-E2:4-OH-E2 (Post-menopausal)

Optimal Result: 0.02 - 0.5 Ratio.

4-M-E2 (4-Methoxyestradiol) and 4-OH-E2 (4-Hydroxyestradiol) are two important estrogen metabolites whose levels are of particular interest in post-menopausal women, especially when assessed through a Hormone and Urinary Metabolites Assessment Profile. This profile is designed to evaluate the balance and metabolism of hormones, providing valuable insights into a woman's health status after menopause.

In post-menopausal women, the production of estrogens like estradiol shifts from the ovaries to other tissues, and these changes can significantly impact the balance of estrogen metabolites. The ratios and levels of these metabolites can give clues about various health risks and conditions.

4-M-E2, known for its anti-angiogenic and potential anti-cancer properties, is a metabolite derived from the methoxylation of estradiol. Its levels can indicate how the body is processing and eliminating estrogens, which is crucial given that certain estrogen metabolites have been associated with an increased risk of hormone-related cancers.

4-OH-E2 is another metabolite of estradiol, formed through hydroxylation. This metabolite is often scrutinized because it can form reactive compounds that can damage DNA and potentially lead to cancerous changes. Therefore, monitoring its levels is particularly important for understanding cancer risk.

This assessment can be crucial for determining risks associated with hormone-related disorders, including breast cancer, osteoporosis, and cardiovascular diseases. It also aids in tailoring hormone replacement therapies, ensuring that they are safe and effective while mitigating potential risks associated with altered estrogen metabolism in the post-menopausal phase.

What does it mean if your 4-M-E2:4-OH-E2 (Post-menopausal) result is too low?

The relationship of 4-M-E2 / 4-OH-E2 represents the activity of COMT (methylation) enzyme. A low ratio indicates slower COMT activity, which may mean a higher potential for the creation of quinones, semi-quinones, and depurinating adducts. Increasing COMT enzyme activity is a consideration.

What does it mean if your 4-M-E2:4-OH-E2 (Post-menopausal) result is too high?

The relationship of 4-M-E2 / 4-OH-E2 represents the activity of COMT (methylation). 4-OH-E2 is considered unfavorable due to its carcinogenic potential within breast tissue. Elevated COMT activity shows more of 4-OH-E1 is being methylated, which is considered favorable. Overtime, COMT enzyme may need additional support to keep up with demand. Comparing additional areas of COMT
activity (ie 2-M-E1/ 2-OH-E1) may give more insight into the function of this enzyme.

10 000+ happy customers
100% satisfaction
★ ★ ★ ★ ★ customer support

Trust us to examine your lab results, guiding you towards improved health.

Use promo code to save 10% off any plan.


We implement proven measures to keep your data safe.

At HealthMatters, we're committed to maintaining the security and confidentiality of your personal information. We've put industry-leading security standards in place to help protect against the loss, misuse, or alteration of the information under our control. We use procedural, physical, and electronic security methods designed to prevent unauthorized people from getting access to this information. Our internal code of conduct adds additional privacy protection. All data is backed up multiple times a day and encrypted using SSL certificates. See our Privacy Policy for more details.