DNA Hormone Testing in Perimenopause: What Your Genes Reveal About Estrogen, Progesterone, Androgens and Bone Health

Have you ever wondered why you and your best friend can be the same age, eating the same way, doing the same workouts, and yet she sails through perimenopause while you feel like your body has turned against you? A lot of my clients ask me this. The honest answer is that some of it comes down to your genes.

In my clinic I have always loved the DUTCH test (Dried Urine Test for Comprehensive Hormones) because unlike a single blood draw, it shows how your body is actually producing, using and clearing your hormones (1). But there is a layer underneath that, and that is your DNA. A DNA hormone test, or a broader wellness DNA test like LifeDNA, looks at the actual genetic variants (called SNPs, or single nucleotide polymorphisms) that code for the enzymes doing all that hormone production and clearance work. When I combine a DNA hormone panel with a DUTCH test, I get to see both the blueprint (your genetics) and the output (what your body is actually doing with that blueprint) at the same time. That combination is one of the most useful things I do with clients moving through perimenopause.

So let's get into it. What SNPs actually matter in perimenopause, and what do they tell us about estrogen metabolism, progesterone production, androgens, liver detoxification, inflammation and bone density?

Why Perimenopause Symptoms Aren't One Size Fits All

During perimenopause, oestrogen and progesterone don't decline in a neat, predictable line. They fluctuate, sometimes wildly, before eventually settling lower after menopause. Two women can have almost identical hormone levels on paper and experience completely different symptoms. A big part of that difference isn't the hormone level itself, it's what your body does with that hormone once it's made. That is where your genes come in.

Your DNA doesn't determine your fate here. Think of it more like a blueprint. Environment, diet, stress, sleep, gut health and inflammation all interact with that blueprint (this is basically the field of epigenetics). But knowing the blueprint helps me understand why one client needs more support clearing oestrogen through the liver, while another needs more support with bone density or inflammation.

Estrogen Metabolism: COMT, CYP1A1, CYP1B1, GSTM1 and GSTT1

This is the area I get asked about the most, and it builds on a topic I've written about before with the estrobolome and Phase I/II liver detoxification.

Once oestrogen has done its job, it needs to be broken down (hydroxylated) and cleared. It can go down a few different pathways:

• The 2-hydroxy pathway, generally considered the gentler, more protective route

• The 4-hydroxy pathway, which produces catechol oestrogens that can be oxidised into reactive quinones capable of forming DNA adducts if they aren't cleared efficiently (2, 3)

• The 16-hydroxy pathway, which tends to be more oestrogenic and proliferative

CYP1A1 mostly drives the 2-hydroxy pathway, while CYP1B1 is the main driver of the 4-hydroxy pathway (2). If you carry a more active CYP1B1 variant, you may be producing more of the 4-OH metabolites, which puts extra pressure on the next step, methylation, to clear them safely.

That next step relies heavily on COMT (catechol-O-methyltransferase). The well known COMT Val158Met variant (rs4680) reduces enzyme activity, meaning slower methylation and clearance of those catechol oestrogens, and research has shown this variant is associated with measurably higher circulating oestradiol levels in women (4). Some research has even linked COMT genotype to the rate of ovarian follicle decline and premature ovarian insufficiency (5), and other studies have explored its role in postmenopausal cognitive changes given COMT's dual role in both oestrogen and dopamine metabolism.

Then there's the glutathione conjugation step. GSTM1 and GSTT1 are Phase II detox enzymes that mop up reactive oestrogen metabolites so they can be safely excreted. A meaningful proportion of the population carries a "null" (deleted) version of one or both of these genes, meaning that particular enzyme simply isn't there to do its job (6). If you are a slow COMT methylator and also carry GSTM1 or GSTT1 null variants, that's a combination I pay close attention to, because it suggests less back up capacity for clearing those reactive metabolites.

What this might look like for you: heavier or more prolonged periods leading into perimenopause, oestrogen dominant type symptoms (breast tenderness, bloating, mood swings), or a family history of hormone sensitive conditions.

Progesterone Production

Progesterone is the first hormone to decline in perimenopause, often years before oestrogen drops, because ovulation itself becomes less consistent. This is genuinely more of a cycle and ovulation story than a single gene story, but there are still relevant genetic threads. Variants affecting steroidogenic enzymes (the ones responsible for converting cholesterol into pregnenolone and then progesterone) and progesterone receptor sensitivity can influence how effectively progesterone is made and how strongly your tissues respond to it. This is an area where the research base is still developing compared to oestrogen metabolism, so I lean more heavily on your DUTCH test result (specifically your pregnanediol, the progesterone metabolite) to see what your body is actually producing, rather than relying on genetics alone here.

Androgens: SHBG and Testosterone

A lot of women are surprised to learn that androgens (testosterone and DHEA) matter hugely in perimenopause, for energy, libido, mood and muscle maintenance.

SHBG (sex hormone binding globulin) is the protein that binds up your sex hormones, controlling how much is "free" and biologically active. The rs1799941 variant in the SHBG gene has been consistently associated with higher circulating SHBG and lower free testosterone (7, 8). If you carry this variant, you might have a "normal" total testosterone on a blood test while still experiencing low testosterone symptoms, because so much of it is bound up and unavailable to your tissues. This is exactly the kind of nuance I flagged in my previous DUTCH test article. Some people have a genetic SNP that shows up looking like low testosterone, and pairing genetic insight with an actual testosterone lab test helps confirm what's really going on.

Liver Metabolism and Detoxification

I always want to be clear that "liver detox" isn't about extreme cleanses. It's about supporting your body's actual Phase I and Phase II detoxification pathways, which are largely genetically determined. We've already covered CYP1A1, CYP1B1, COMT, GSTM1 and GSTT1 above, which all sit within this same detoxification story (2, 6). Your liver is essentially the clearing house for every hormone you no longer need. If several of these pathways are running slower due to genetic variants, your liver has to work harder, and this is often where I focus the most nutritional and herbal support, particularly around cruciferous vegetable compounds, B vitamins for methylation, and antioxidant support for Phase II conjugation.

Inflammation

Perimenopause and inflammation are deeply intertwined. Research from the Study of Women's Health Across the Nation (SWAN) found that elevated inflammatory markers, including interleukin-6 (IL-6), were associated with an increased likelihood of developing vasomotor symptoms such as hot flushes and night sweats (9). Genetic variants in the IL6 gene itself (such as rs1800795) have been shown to influence baseline inflammatory tone in postmenopausal women, interacting with dietary fat intake to affect cholesterol and inflammatory markers (10). If you carry a higher inflammatory genetic tendency, this can compound vasomotor symptoms, joint aches, brain fog and mood changes during the transition, on top of whatever your hormones are doing.

Bone Density

This ties directly into a piece I wrote recently about bone health and impact exercise in perimenopause. Genetics play a real role here too. The vitamin D receptor (VDR) gene has several well studied variants (BsmI, ApaI, TaqI) that have repeatedly been associated with bone mineral density differences in postmenopausal women, particularly at the hip (11, 12). SHBG variants have also been linked to bone mineral density at the femur, likely through their effect on free oestradiol availability, since oestrogen is protective for bone (7). If you carry variants associated with lower bone density, this doesn't mean osteoporosis is inevitable. It means bone protective strategies (weight bearing exercise, adequate protein, vitamin D, calcium, vitamin K2 and magnesium) deserve to be a genuine priority for you, not an afterthought.

How I Actually Use This Clinically: DNA Testing Alongside the DUTCH Test

Here is the key thing I want you to take away. A DNA hormone test tells you about your genetic potential. It shows you which enzymes are more likely to run efficiently and which ones might be sluggish. What it cannot tell you is what your hormones are actually doing right now, today, in your body, influenced by your diet, stress, sleep, gut health and life stage.

That is exactly why I pair it with the DUTCH test. The DUTCH test shows me your actual estrogen metabolite ratios (how much is going down the 2-OH versus 4-OH pathway), your actual pregnanediol and androgen levels, and your cortisol pattern (1). When I see a genetic tendency towards slower COMT methylation and then I see on the DUTCH test that the 4-OH metabolites are indeed elevated relative to 2-OH, that's confirmation, not just theory. It tells me exactly where to focus support.

I also want to be honest with you about the limitations here. Direct-to-consumer genetic tests are not diagnostic tools, and most of the SNP research behind them comes from population level association studies, not individual guarantees. A genetic variant increases likelihood, it doesn't determine outcome. This is why I never interpret a DNA report in isolation. It is one piece of a much bigger picture that includes your symptoms, your functional testing, your history and your day to day life.

What This Means for Your Perimenopause, Practically

Rather than chasing your hormones in isolation, I find it far more effective to focus on the foundation underneath all of it, which is blood sugar and insulin balance. Stable glucose and insulin levels support healthier ovarian function, reduce inflammatory load on your detoxification pathways, and take pressure off your adrenal glands, which matters more than ever once ovarian progesterone starts to decline. In practice this looks like:

• Prioritising protein and fibre at each meal to blunt glucose spikes, rather than starting the day with a blood sugar rollercoaster

• Walking after meals, which is a simple but genuinely effective way to improve insulin sensitivity

• Strength and impact training multiple times a week, both for glucose management and for the bone density support your genetics may need

• Getting ahead of hormone clearance with cruciferous vegetables, adequate protein for methylation, and magnesium, rather than waiting until symptoms are severe

• Supporting your gut and liver together, since your estrobolome and your liver detoxification pathways work as a team

Your specific genetic results will shift which of these gets the most emphasis for you.

Working With a Practitioner

If you're feeling overwhelmed by all of this, that's completely normal. This is genuinely complex information, and interpreting a DNA hormone report alongside a DUTCH test isn't something you need to (or should) do alone. In my clinic, this is exactly the kind of case I love working through with clients, matching your genetic blueprint to your actual functional results and building a plan that makes sense for your body, not a generic one size fits all protocol.

Frequently Asked Questions

What is a DNA hormone test and how is it different from the DUTCH test?
A DNA hormone test looks at your genetic code (SNPs) in genes that control hormone production, metabolism and clearance. It shows your genetic tendency or blueprint. The DUTCH test measures your actual hormone metabolites in urine right now, showing what your body is currently doing. Used together, they show both the blueprint and the real time output.

Can genetic testing tell me if I'm in perimenopause?
No. Perimenopause is diagnosed based on your symptoms, cycle changes and age, not a genetic test. A DNA hormone test can, however, help explain why you might be experiencing certain symptoms more strongly than someone else at the same stage.

What SNPs are most relevant to perimenopause symptoms?
The ones I focus on most often are COMT (oestrogen methylation and clearance), CYP1A1 and CYP1B1 (oestrogen hydroxylation pathways), GSTM1 and GSTT1 (Phase II liver detoxification), SHBG (free testosterone and oestradiol availability), IL6 (inflammatory tendency) and VDR (bone density and vitamin D utilisation).

Is DNA testing for hormones accurate?
The genetic sequencing itself is generally reliable, but the interpretation is based on population level research associating certain variants with certain tendencies. It is not a diagnostic test and should be interpreted alongside your symptoms and functional testing, not on its own.

Do I need both a DNA test and a DUTCH test?
You don't need both to get started, but I find the combination gives the clearest picture. The DNA test tells us your predisposition, and the DUTCH test confirms what is actually happening in your body currently, which is what we base your treatment plan on.

Can I change my genes with diet and lifestyle?
You can't change your DNA sequence, but you absolutely can influence how those genes are expressed, and how efficiently the pathways they control are running, through diet, nutrients, stress management and lifestyle. This is the basis of epigenetics, and it's why genetic tendency is not the same as genetic destiny.

References

1. Newman M, Pratt SM, Curran DA, Stanczyk FZ. Evaluating urinary estrogen and progesterone metabolites using dried filter paper samples and gas chromatography with tandem mass spectrometry (GC-MS/MS). BMC Chemistry. 2019;13:127. https://doi.org/10.1186/s13065-019-0539-1

2. Zhang Y, Gaikwad NW, Olson K, Zahid M, Cavalieri EL, Rogan EG. Cytochrome P450 isoforms catalyze formation of catechol estrogen quinones that react with DNA. Metabolism. 2007. https://pubmed.ncbi.nlm.nih.gov/17570247/

3. Cavalieri E, Rogan E. Estrogens as endogenous genotoxic agents: DNA adducts and mutations. J Natl Cancer Inst Monogr. 2000;(27):75-93. https://pubmed.ncbi.nlm.nih.gov/10963621/

4. Worda C, Sator MO, Schneeberger C, Jantschev T, Ferlitsch K, Huber JC. Influence of the catechol-O-methyltransferase (COMT) codon 158 polymorphism on estrogen levels in women. Hum Reprod. 2003;18(2):262-266. https://academic.oup.com/humrep/article/18/2/262/639182

5. COMT polymorphism and premature ovarian insufficiency / decrease of ovarian follicles. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4012167/

6. Molecular epidemiology of GSTM1 and GSTT1 null genotypes and Phase II detoxification. https://pmc.ncbi.nlm.nih.gov/articles/PMC12941018/

7. Genetic polymorphisms of the SHBG gene, free estradiol and bone mineral density in postmenopausal women. https://pubmed.ncbi.nlm.nih.gov/19679209/

8. Effects of SHBG rs1799941 polymorphism on free testosterone levels. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6722847/

9. The longitudinal relation of inflammation to incidence of vasomotor symptoms. Menopause. 2022. https://pubmed.ncbi.nlm.nih.gov/35905469/

10. Chmurzynska A, Muzsik A, Krzyżanowska-Jankowska P, Walkowiak J, Bajerska J. The effect of habitual fat intake, IL6 polymorphism, and different diet strategies on inflammation in postmenopausal women with central obesity. Nutrients. 2019;11(7):1557. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6682886/

11. VDR polymorphisms effect on bone mineral density in Polish postmenopausal women. https://pubmed.ncbi.nlm.nih.gov/34296242/

12. Association between vitamin D receptor BsmI polymorphism and low bone mineral density in postmenopausal women in the MENA region: a meta-analysis. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11843856/

As always, this article is general education and isn't a substitute for personalised advice. If you'd like your own DUTCH test results reviewed, or want to talk through whether sulforaphane or DIM is right for you, book a consultation and we'll work through it together.