Perimenopause: What It Is, What It Isn't, and Why So Many Women Feel Unprepared
- May 16
- 8 min read
By Miranda Chan & Courtney Oar — Co-Founders, Pretty Proven Pharmacists | Women's Health Educators
If you are in your mid-thirties or forties and have noticed something shifting - your sleep, your mood, your energy, your cycle - you are not imagining it. And you are not alone.
For many women, the changes that accompany perimenopause arrive quietly and without context. Anxiety that appears out of nowhere. Waking at 3am for no apparent reason. Brain fog so thick you struggle to find words mid-sentence. Periods that become unpredictable. A general sense that something is different - but no clear explanation for why.
Most women attribute these experiences to stress, to being busy, to getting older. Many visit their doctor and leave without answers. Some are prescribed antidepressants or anxiety medication before hormones are ever considered.
This is not a failure of individual women. It is a failure of health education and it is something Pretty Proven is committed to changing.
What Is Perimenopause — And What Is It Not?
Perimenopause is the hormonal transition that precedes menopause. It is not menopause itself.
Menopause is defined as a single point in time - twelve consecutive months without a menstrual period. The average age of menopause in Australia is 51. Perimenopause, however, is everything that leads up to that moment and it can begin anywhere from two to ten years beforehand. For some women, hormonal changes begin as early as the mid-thirties.
During perimenopause, the ovaries gradually produce less oestrogen and progesterone. This decline is not linear or predictable - levels fluctuate, sometimes dramatically, before eventually falling. It is this fluctuation that drives the wide-ranging and often confusing symptom profile that characterises the perimenopausal years.
Perimenopause is not simply an older woman's concern. It is not just hot flushes. And it is not something women simply have to endure.
The Symptom Profile: Broader Than Most Women Realise
One of the most significant reasons women feel unprepared for perimenopause is that its symptom profile is far broader than public awareness suggests. Hot flushes - the symptom most commonly associated with menopause - may not appear until perimenopause is already well advanced, if they appear at all.
The symptoms of perimenopause can include:
Irregular or changing menstrual cycles
Sleep disturbances and insomnia
Mood changes, irritability, and low mood
Anxiety - sometimes significant and apparently unprovoked
Brain fog and difficulty with memory and concentration
Fatigue that is not relieved by sleep
Reduced libido - Vaginal dryness and discomfort
Joint aches and pains
Heart palpitations
Changes to skin, hair, and weight
Hot flushes and night sweats
Many of these symptoms - particularly anxiety, sleep disturbance, and mood changes - are frequently attributed to stress or mental health conditions rather than hormones.
Women are diagnosed with anxiety or depression and treated accordingly, while the underlying hormonal driver goes unaddressed. This is not a rare occurrence. It is one of the most common patterns in women's healthcare.
Why So Many Women Feel Unprepared
The short answer is that perimenopause has historically been underrepresented in health education, undertreated in clinical practice, and underreported in public health discourse.
Girls are taught about puberty and menstruation. Women are taught about pregnancy and contraception. The decades-long hormonal transition that follows - one that affects every system in the body and shapes the quality of a woman's health for the rest of her life - receives comparatively little attention.
There is also a cultural dimension. Women have long been socialised to minimise their symptoms, to push through, and to attribute physical and emotional changes to external circumstances rather than biology. The dismissal women encounter in medical settings - often characterised as health gaslighting - compounds this further.
The result is a generation of women navigating one of the most significant hormonal transitions of their lives without adequate information, without validation, and too often without appropriate support.
The Bone Density Conversation Nobody Is Having
Of all the long-term health implications of perimenopause, bone density loss is among the most significant — and the least discussed.
Oestrogen plays a critical role in maintaining bone mineral density. As oestrogen levels begin to decline during perimenopause, bone loss can accelerate significantly. Women can lose up to 20% of their bone density in the first five years after menopause - a statistic that surprises most women when they first hear it.
Bone loss is silent. There are no symptoms. Most women are unaware it is occurring until a fracture reveals that significant loss has already taken place.
This is why the perimenopausal years represent a critical window for bone health intervention. Bone density peaks in the late twenties and the choices made in the thirties and forties have a direct and measurable impact on fracture risk and osteoporosis in later life.
A proactive perimenopause plan should include a conversation with your doctor about a baseline DEXA scan - a simple, non-invasive measure of bone mineral density that takes less than thirty minutes and gives you the information you need to act early.
Weight-bearing exercise, adequate calcium and Vitamin D, and where appropriate, hormone therapy all play a role in protecting bone density during this transition.
HRT — What Changed, and What The Evidence Now Says
For many women, the word HRT carries a weight of anxiety. This is largely a legacy of a 2002 US study - the Women's Health Initiative - which published findings linking HRT to an increased risk of breast cancer and cardiovascular disease. Prescribing rates dropped dramatically. Women stopped taking HRT. A generation of women suffered in silence.
What followed was decades of research, re-analysis, and a fundamental shift in the medical community's understanding of HRT.
Subsequent analysis revealed significant limitations in the original study. The majority of participants were considerably older than typical HRT candidates. The formulations used were not equivalent to modern body-identical preparations. And the absolute risk increase - even as originally reported - was smaller than public perception suggested.
The updated evidence tells a more nuanced and considerably more reassuring story:
The breast cancer risk was overstated.For most women, the risk associated with modern HRT preparations is small - comparable to, or lower than, the risk associated with other common lifestyle factors such as alcohol consumption.
Oestrogen-only HRT carries no significant increase in breast cancer risk. This is relevant for women who have had a hysterectomy and do not require progesterone.
Bioidentical HRT. Preparations that are chemically identical to the hormones produced by the body - carry a lower risk profile than older synthetic formulations.
The benefits of HRT extend beyond symptom relief. HRT protects bone density, supports cardiovascular health, reduces fracture risk, and may have protective effects on cognitive function.
Leading menopause societies globally - including the Australasian Menopause Society - now support more proactive prescribing of HRT for eligible women, including offering it earlier in the perimenopausal transition than previously recommended.
The Types of HRT — A Brief Overview
HRT is not a single treatment. It encompasses a range of hormones, formulations, and delivery methods and the right combination is individual.
Oestrogen is the primary hormone replaced in HRT and addresses the majority of perimenopausal and menopausal symptoms. It is available as patches, gels, sprays, and tablets. Transdermal preparations, applied to the skin, bypass the liver and are associated with a lower clot risk than oral tablets.
Progesterone is added for women with a uterus to protect the uterine lining. Body-identical progesterone most closely mirrors the body's own progesterone and is associated with a lower risk profile than older synthetic progestogens. It also supports sleep and mood, making it a valuable component of HRT beyond its protective role.
Testosterone is a hormone many women don't know they're missing. Produced in small amounts by the ovaries, its decline during perimenopause can contribute to fatigue, low libido, reduced muscle strength, brain fog, and low motivation. Testosterone therapy for women is currently prescribed off-label in Australia — it is not TGA-approved for women — but is legally and increasingly used by doctors experienced in menopause medicine. Ask specifically about testosterone, as it is frequently overlooked in standard HRT discussions.
Local vaginal oestrogen delivers a very low dose of oestrogen directly to vaginal tissue - addressing dryness, discomfort, and urinary symptoms with minimal systemic absorption. It is safe for the vast majority of women and can be used long term, including by most women with a history of breast cancer. It is one of the most underused and underdiscussed treatments in women's health.
All forms of HRT are prescription-only medications. The decision about whether HRT is appropriate is individual and should be made in partnership with a doctor experienced in menopause medicine.
Natural Alternatives — An Honest Assessment
Many women explore natural alternatives to HRT - either by preference or because HRT is not suitable for them. Here is an honest summary of where the evidence currently stands.
Phytoestrogens - plant-based compounds found in soy, flaxseed, and red clover supplements — have some evidence of modest benefit for hot flushes in certain women. The effect is generally small and inconsistent across studies.
Black Cohosh has shown some evidence of modest reduction in hot flush frequency. Evidence quality is variable, and rare cases of liver toxicity have been reported. It should be used with caution and discussed with a healthcare professional.
Magnesium has good evidence for supporting sleep quality and mood and is a reasonable addition to a perimenopause management plan. Look for products that contain magnesium glycinate or magnesium L-threonate as these have greater benefits on sleep and relaxation.
Lifestyle measures - regular weight-bearing exercise, adequate calcium and Vitamin D, limiting alcohol and caffeine, and managing stress - all have genuine evidence behind them and should form the foundation of any perimenopause plan, regardless of whether HRT is used.
The honest truth is that for moderate to severe symptoms, natural alternatives rarely provide the level of relief that HRT does. They may be appropriate for mild symptoms or as complementary measures. As with all supplements, natural does not automatically mean safe or effective - and a conversation with your doctor before starting is always worthwhile.
Advocating For Yourself - And What To Ask
If you recognise yourself in any part of this article, the most important thing you can do is start a conversation with your doctor.
You are not required to simply manage. You are not too young to be experiencing perimenopausal symptoms. And you are absolutely entitled to ask for a thorough assessment of your hormonal health.
The following questions are worth taking to your next appointment:
Could my symptoms be related to perimenopause?
Am I a suitable candidate for HRT?
What type of HRT would you recommend for me, and why?
Can we discuss body-identical preparations?
Is testosterone worth considering in my case?
Can I have a baseline DEXA scan to assess my bone density?
If your doctor is dismissive or unwilling to engage with these questions, seeking a second opinion is entirely reasonable. A GP with a special interest in menopause medicine, or a referral to a gynaecologist or menopause specialist, is a legitimate and appropriate request.
You know your body. You are the expert on your own experience. Find a clinician who respects that.
The Bottom Line
Perimenopause is one of the most significant hormonal transitions of a woman's life. It can begin earlier than most women expect, last longer than most women realise, and affect far more than most women are ever told.
The good news is that the conversation is changing. The evidence base for HRT has been substantially updated. More women are being offered treatment earlier. And the days of simply managing in silence are - slowly but surely - coming to an end.
But change in clinical practice takes time. And in the meantime, the most powerful tool a woman has is information.
That is what Pretty Proven is here to provide.
This article is for general educational purposes only and does not constitute medical advice. The information provided is not a substitute for individualised guidance from a qualified healthcare professional. Always consult a doctor about your personal health circumstances before making any changes to your health management. 🤍
Sources: Australasian Menopause Society; Australian Government Department of Health and Aged Care; International Menopause Society; Women's Health Initiative re-analysis (2017); NHMRC Australian Guidelines.
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