“Doc, I need you to check my hormones. There’s DEFINITELY something wrong,” she said, a desperate look in her eyes. My heart tugged, because I knew what was coming next: a laundry list that could include any or all of hot flashes, night sweats, breast tenderness, forgetting words, ovulation pain, dry skin, a bigger belly, less hair on her head but more on her chin, new chin acne, heavier bleeding, lighter bleeding, longer periods, shorter periods, pain with sex but never wanting to have it, and the rage, especially toward her family (and her husband, must he breathe?!).
I’ve had countless women in their mid-to-late 30s and 40s tell me the same thing: for months, their sleep has been broken, their fuse shorter than they remember, their periods suddenly unpredictable. And often they’ve already heard, from another clinician, “Your labs are normal. You’re too young for this.”
So instead, without being dismissive, I like to say: “Let me guess what you may be experiencing.” Not because I want to wave it away as something everyone feels, but because I deeply believe that if I can tell you a story that fits most of what you’re feeling, you’ll feel less alone. And you’ll believe me when I say this is likely perimenopause. It’s natural and normal. But we also get to say, “Sorry, Nature. Not today. We’re not having it.”
If that scene feels familiar, you’re not imagining things, and you’re not too young. What this patient, and so many others, are experiencing is perimenopause.
Perimenopause, menopause, and postmenopause get used interchangeably, but they mean different things, and getting them right matters.
- Menopause. I always start here, because it’s the most confusing word for most people but the easiest to define. Menopause is a single moment in time: the day you’ve gone 12 months with no period. In America, the average age is 51, and the normal range is anywhere from 45 to 55.
- Perimenopause. This is the stretch of time before menopause, when your hormones start to behave less predictably, or as I often say, they become predictably unpredictable. It can last up to 10 years, and it’s marked by ovulation that becomes occasional or less efficient. That means any of the symptoms above (and many others) can come and go from cycle to cycle. One important note: perimenopause does not mean you can’t get pregnant. It’s simply that nebulous window before menopause when your hormones behave erratically.
- Postmenopause. Everything after that one-year mark is postmenopause. Many women say “I’m done with menopause” as if the body has overcome something, but it really just means the period of unrest is behind you, and you’ll be postmenopausal for the rest of your life. That matters, because a sustained lack of hormones affects the body, and it’s worth addressing.
The takeaway: perimenopause is a real, defined stage, not a vague in-between. But because it can begin insidiously and doesn’t always announce itself, and because many clinicians (and plenty of women) don’t fully understand it, it’s easy to overlook or dismiss, especially when “your lab tests are normal.”
Let’s go back to the woman sitting across from me, feeling desperate. When I hear these symptoms, I gently begin to explain that what she’s likely experiencing is perimenopause. I say “gently” on purpose. Decades of practice have taught me that many women hear perimenopause as “the other P-word,” a label that must mean they’re getting older, becoming irrelevant, or that something is badly wrong. The truth is kinder: this is a natural phase of life. That doesn’t mean it feels good, and it doesn’t mean you have to tolerate it.
I’m also careful to explain that perimenopause is a clinical diagnosis. It’s based on hearing the right symptoms in a woman of the right age (mid-to-late 30s and beyond), and on ruling out the other things that can mimic or worsen it: vitamin D deficiency, iron deficiency, thyroid issues, and problems with glucose metabolism. Once those are ruled out, I can say with confidence, “It’s perimenopause. Now let’s treat it.”
Notice I didn’t say I need to check your “female hormones.” That’s deliberate. The hormones usually checked, FSH and estradiol, can mislead during perimenopause. On an ovulatory day, they can look completely normal. On an anovulatory day, they can look postmenopausal. Either result causes confusion: the first makes a clinician say “your hormones are fine, so you’re fine” (leaving you feeling unheard, or like you’re losing your mind), and the second can wrongly tell you you’re postmenopausal when you aren’t. These hormones swing day to day, week to week, month to month. There is no lab range that says “perimenopause,” only premenopausal and postmenopausal ranges.
Because perimenopause is driven by fluctuating hormones rather than a steady decline, a single blood test on a single day can look perfectly normal and tell you almost nothing. That’s why so many women are told their labs are fine while they feel anything but. For a long time, the only approach clinicians offered was to suppress the cycle entirely with combined hormonal contraception until a woman was postmenopausal, and then maybe switch to hormone replacement. We now know there’s far more nuance available. But the bottom line is simpler than all of it:
You don’t have to wait until you’ve officially reached menopause to get support.
Unlike menopause, perimenopause has no single hallmark. It’s a phase we drift into, and I say “drift” because women rarely get the chance to learn about it, so they miss the early signs, and their clinicians often do too. Because the symptoms are subtle, they get written off: “you’re just tired from work,” “you’re exhausted from caring for aging parents,” or, increasingly, “you’re just postpartum.” So many of us are now having babies into our late 30s and early 40s that we can drift straight from postpartum into perimenopause, a stretch I’ve started calling “peri-postpartum-pause.”
Perimenopause rarely announces itself with a dramatic hot flash. More often it’s a scattering of changes that are easy to blame on stress, work, or “just getting older”:
- Cycle changes. Longer or shorter cycles, heavier or lighter bleeding, missed periods, or spotting in between. Almost anything can happen. Any increase in bleeding is worth an evaluation, which may include an exam and a pelvic ultrasound to check your uterus, ovaries, and uterine lining.
- Sleep disruption. Much like in pregnancy, many women describe the same pattern: “I fall asleep fine, but I wake between 2 and 4 a.m., go to the bathroom, and then my mind races and I can’t fall back asleep.” Often it’s temperature regulation from a hot flash you didn’t notice, or bladder urgency from genitourinary changes.
- Mood and anxiety shifts. We joke about the rage that hits when you hear your partner chew, but it’s not an exaggeration. Mood changes in this phase can range from intense anger, especially right before your period, to a real uptick in anxiety, to a sense that you’ve lost your “mojo” at work or at home.
- Brain fog. Many women worry they’re developing memory loss when they struggle to recall a word or walk into a room and forget why. We should always take these symptoms seriously and rule out other causes, but the most common reason is hormonal, and the encouraging news is that the fog tends to lift once you’re postmenopausal.
- New or more intense PMS. Think back to puberty: chin acne, mood swings, breast tenderness, and sharp ovulation pain (we call it mittelschmerz). The same symptoms can return in perimenopause, and they can feel exaggerated.
- Early temperature changes. A true hot flash is unmistakable; it feels like an inferno. But many women deny having them, then immediately say yes when I ask, “Do you ever wake in the night and have to fling the sheets off?” That’s when it clicks.
- Genitourinary changes. As estrogen wanes, tissue throughout the body becomes less elastic, especially in the vagina, vulva, urethra, and bladder. This can lead to pain during sex, more frequent yeast and bacterial infections, and recurrent urinary tract infections. Many of these can be significantly improved, often with local vaginal estrogen.
- Joint aches and frozen shoulder. The same loss of elasticity affects cartilage, so it’s not unusual for a woman’s first real joint pain to appear now. It’s often misdiagnosed, and can even lead to surgery, when hormone support may be what helps most.
Here’s the biology. You were born with about a million eggs in your ovaries. By puberty you were down to roughly 400,000, as the rest disintegrated. From then on, every cycle, dozens of immature eggs inside their follicles (the little fluid-filled bubbles that hold eggs at different stages) compete to be the one that ovulates. The ones that don’t make it disintegrate, so every month you use up dozens, until the supply runs low in your early 50s.
As the number of follicles declines, your hormones swing rapidly, because the follicles themselves help shape your hormonal landscape. Estrogen can spike very high and then crash very low, and it’s often that gap, the delta between the highs and lows, that makes you feel worst, especially alongside progesterone declining in the background and testosterone slowly falling from about age 30 on. That whole combination is the recipe for the chaos.
If perimenopause feels unpredictable, that’s because it is. The familiar story, “estrogen slowly declines,” is misleading. In reality, estrogen swings rapidly and aggressively, or as I keep saying, predictably unpredictably.
You don’t have to endure this quietly or wait for permission. A few things genuinely help:
- Track your symptoms and your cycles. A clear record helps your clinician strategize and tailor your treatment.
- Find a menopause-literate clinician. The Menopause Society website lists certified clinicians. Some excellent OB/GYNs and women’s health clinicians aren’t formally certified but are very well versed, so it’s always worth asking peers who actually listened to them.
- Address symptoms individually. This isn’t all-or-nothing. Sometimes one or two symptoms bother you most and are easier to treat; other times you need the whole picture addressed to feel your best. The only wrong answer is being told to “suck it up, buttercup.”
Here’s the honest part: treatment can, and should, be tailored, and that’s exactly where it gets hard. Many clinicians haven’t been trained in the most current, nuanced approaches, so they default to the simplest route. That’s not a knock on them. A general OB/GYN has to stay current on pregnancy, infections, cancers, and much more, and with roughly 15 minutes per patient under insurance, the simplest option often wins.
And the simplest route is genuinely right for some women, but it isn’t the only one. When the goal is to smooth out symptoms tied to ovulation, such as mood swings, breast tenderness, ovulation pain, or heavy bleeding, the most effective approach is usually to suppress ovulation. Historically that meant combined hormonal contraception (the pill, patch, or ring), which works well for many women and also provides contraception. Some women, though, don’t tolerate the synthetic estrogen in most of these.
This is where tracking your symptoms pays off, because it points to what actually needs treating. Depending on the picture, options today can include:
- A newer progestin-only pill that suppresses ovulation, paired with transdermal (through-the-skin) estrogen to give back what your body still benefits from.
- A hormonal (levonorgestrel) IUD, which thins the uterine lining so periods become very light or stop, often combined with transdermal estradiol. This is helpful when heavy or irregular bleeding is the main complaint.
- Oral micronized progesterone, which many women find helps with sleep.
- Standard hormone therapy (transdermal estradiol with oral micronized progesterone), often a good fit for women with more regular cycles whose main issues are hot flashes, night sweats, and mood.
The most important point: the right treatment depends on your specific symptoms at a specific moment, and both can change over time, so your plan may need to change too.
When I speak publicly, women often ask: “How do we advocate for ourselves when so many clinicians don’t have the time or training to help?” Here’s the script I give them:
Your script for the appointment
“I know I’m in the age range where I may be perimenopausal. I’m having [these symptoms], and while I know other conditions can mimic it, I think perimenopause is likely. I’d like to rule the others out, so can we check my thyroid, iron, vitamin D3, and fasting glucose, plus anything else you’d suggest? If those come back normal, we can treat this as perimenopause and figure out what will help me feel better.”
A few shorter phrases help too: “I’d like to talk about perimenopause specifically,” or “Can we treat these symptoms even if my labs look normal?” or “If this isn’t your area, could you refer me to someone who focuses on menopause?”
Naming something is the first step to managing it. Perimenopause isn’t a slow slide into “old,” and it isn’t something to grit your teeth through in silence. It’s a defined, well-understood, and manageable stage of life, one you can move through with information, support, and a clinician in your corner.
You’re not imagining it. And you don’t have to wait. Armed with this knowledge, you can help your clinician help you.





