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Is it perimenopause or something else? The signs women in their 40s notice, what a doctor checks first and when to get evaluated in Highlands Ranch

Hot flashes, broken sleep, a shorter fuse and weight that will not budge: the menopausal transition usually starts in the 40s and can run for years. Here is how federal health agencies define it, what an evaluation looks at, the symptoms that always deserve a visit, and where the Highlands Ranch area turns for a…

NuVida Medical and Aesthetics in Highlands Ranch
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Somewhere in the early 40s a lot of women start keeping a mental list: the night sweats that showed up out of nowhere, the sleep that breaks at 3 a.m., a period that came twice last month and not at all this month, a fuse that feels shorter, and weight that will not move no matter what changed in the kitchen. The list usually ends with the same question. Is this perimenopause, or is something else going on? The honest answer from the federal health agencies that study it is that it is often both questions at once, which is why a real evaluation looks wider than hormones.

What perimenopause is, and how long it lasts

The federal Office on Women’s Health defines menopause as the point when periods have stopped for 12 months in a row, and perimenopause as the time before that when hormone levels change. Most women reach menopause between 45 and 55, and the average age in the United States is 52. Perimenopause lasts about four years on average but can run as long as 10, and the agency says hot flashes and night sweats last 7 to 12 years on average, longer for some women. NIH’s MedlinePlus adds two useful labels: menopause before 40 is called premature, and before 45 is called early, and either one is worth raising with a doctor.

The symptom list the agencies publish is long because the transition touches more than periods. MedlinePlus lists irregular periods that run shorter, longer, lighter or heavier; hot flashes and night sweats; trouble sleeping; vaginal dryness; mood changes such as irritability or anxiety; and bladder problems, including incontinence and urinary tract infections. The longer-term changes are quieter: bone loss that can lead to osteoporosis, and higher cholesterol that raises the risk of heart disease and stroke.

Why the same symptoms can mean something else

Fatigue, foggy thinking, poor sleep, mood shifts and weight gain are not exclusive to perimenopause. The perimenopause and menopause guide published by NuVida Medical and Aesthetics in Highlands Ranch makes that point plainly: these symptoms can overlap with thyroid, sleep, stress, medication or metabolic problems, so the clinic’s evaluation starts with a review of symptoms, cycle changes, health history, medications and goals before any testing is ordered. That is the same order of operations the federal pages describe. The Office on Women’s Health says a provider can usually tell whether you are in perimenopause from your age, your symptoms and your period changes, and that blood hormone tests are not usually needed to make that call; it suggests asking about testing if periods stop before 40. Testing earns its place when the picture is not clear, when something else might be driving the symptoms, or when a treatment decision depends on it.

If the tiredness is the loudest symptom, our earlier piece on why Coloradans feel so tired this fall walks through the other causes a doctor rules out first, and the time change this Sunday will not help anyone’s sleep for a week or two.

The symptoms that always deserve a visit

Irregular periods are expected in perimenopause. A few bleeding patterns are not, and both the federal pages and the Highlands Ranch clinic’s guide flag them. Heavy, prolonged or very frequent bleeding should be discussed with a healthcare professional rather than waited out. Bleeding after menopause, meaning after a full year without a period, is not normal according to the Office on Women’s Health, and the agency says to see a provider right away if it happens. Periods that stop before 40 belong on that list too. The rest of the symptom list is a judgment call about how much it is costing you: sleep that is wrecked most nights, mood changes that are affecting work or relationships, or hot flashes that disrupt the day are all reasons to make the appointment rather than keep the mental list.

What the options look like

MedlinePlus sorts treatment into three buckets. Lifestyle changes come first: dressing in layers, limiting alcohol, spicy food and caffeine, not smoking, keeping a healthy weight, good sleep habits, regular exercise and stress reduction. Non-hormone options include certain antidepressants and a few other prescription medicines for hot flashes, medicines for urinary symptoms and bone loss, low-dose birth control pills for heavy or frequent bleeding, lubricants and other treatments for vaginal dryness, and cognitive behavioral therapy for sleep problems. Hormone therapy, usually estrogen or estrogen plus progestin, comes as pills, patches, rings, implants, gels or creams and can treat hot flashes and vaginal dryness and help prevent osteoporosis. MedlinePlus is direct about the trade-off: like all medicines, hormone therapy has benefits and risks, and providers may recommend the lowest effective dose for the shortest necessary time. It also cautions that supplements, herbs and over-the-counter natural hormone creams have mixed research behind them and poorly documented long-term safety, and that some interact with other medicines, so they are worth clearing with a provider first.

Locally, NuVida’s hormone optimization page describes a physician-led process it calls listen, evaluate, personalize and monitor: a visit that reviews symptoms, history, medications, goals and prior lab work, lab testing and clinical review when appropriate, and follow-up labs that guide adjustments over time. The page lists hormone delivery as creams, pills, patches, injections or pellets, says pellet therapy is not appropriate for every patient, and notes that response time varies. The clinic is led by Dr. Mark Paz, MD, at 9137 Ridgeline Blvd., Suite 135, in Highlands Ranch, and its guide also points women with weight gain or insulin resistance toward its medical weight loss service. Disclosure: NuVida Medical and Aesthetics is a Holland Health Marketing client.

What to bring to the appointment

The single most useful thing is a record. The Office on Women’s Health recommends tracking your periods and symptoms and sharing them with your provider, and a few months of dates, flow, sleep and hot-flash notes turn a vague visit into a specific one. Bring a current medication and supplement list, since several of the overlapping causes live there. Ask what the provider thinks is driving the symptoms, what, if anything, needs testing, and which of the three buckets above fits you. Two reminders from the federal pages that surprise people: pregnancy is still possible during perimenopause, so birth control may still be needed, and menopause does not protect against sexually transmitted infections.

If numb or tingling feet are on your list too, that is a separate workup; see what Colorado doctors check first for peripheral neuropathy. More health explainers are in Learn: Health, and the clinic’s profile is on our NuVida Medical and Aesthetics spotlight.

Sources

This is general information, not medical advice.

More like this: Highlands Ranch · Learn · Health · NuVida Medical and Aesthetics · Why am I so tired this fall?

Source: Office on Women’s Health, MedlinePlus and NuVida Medical and Aesthetics. Verified October 27, 2026.

Details verified with the source on October 27, 2026. See something wrong? Send a correction.

Jessica Holland

FOUNDER + EDITOR, COLORADO LOCAL

Jessica Holland is a Colorado mom, entrepreneur, marketer and founder of Colorado Local. After years of constantly searching for things to do with her family, local businesses worth supporting, educational experiences for her girls, worship nights, community events and simply more GOOD news, she realized the resource she wanted didn’t really exist in one place. So she built it.

Jessica is also the founder of Holland Health Marketing, where she helps businesses grow through digital marketing, local visibility and community connection.

Her Christian faith is a big part of who she is and the way she sees the world. Colorado Local isn’t a faith-only publication, but you’ll absolutely find faith here, alongside stories about neighbors helping neighbors, churches serving their communities and people using what they have to make Colorado a little brighter.

She lives in Northern Colorado with her husband, two daughters and their very large Newfoundland, Mugsy.

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