Perimenopause symptoms beyond hot flushes: 10 signs women should not ignore

Perimenopause can affect much more than menstrual cycles. From unexplained anxiety and brain fog to joint pain, disturbed sleep and changes in libido, the hormonal transition can bring symptoms that women often mistake for stress or ageing. Dr Shivika Gupta, Fertility Specialist at Birla Fertility & IVF, Gurugram, explains the signs to watch for, how to distinguish them from other health conditions and when to seek medical advice.WHAT IS PERIMENOPAUSE AND WHEN DOES IT BEGIN?Perimenopause is the transition leading up to menopause, during which ovarian hormone levels fluctuate and gradually change. It can last several months or years before menopause, which is defined as 12 consecutive months without a menstrual period.While many women begin experiencing perimenopause in their 40s, symptoms can start earlier, sometimes in the late 30s. The transition does not always begin with missed periods, making it easy to overlook the initial signs.According to Dr Shivika Gupta, recognising the pattern of symptoms is important, particularly when changes in sleep, mood or physical health appear without an obvious explanation. FIVE LESSER-KNOWN SYMPTOMS WOMEN OFTEN OVERLOOKHot flushes and night sweats are commonly associated with perimenopause, but they are not the only symptoms women may experience. Some of the less obvious signs include:Sleep disturbances: Difficulty falling asleep, waking frequently or waking too early. Brain fog: Trouble concentrating, memory lapses and difficulty finding the right words.Anxiety and mood changes: New-onset anxiety, irritability or unexplained mood swings.Joint pain and stiffness: Aches that affect everyday movement, including in the hands, knees and hips.Skin and hair changes: Changes in skin texture and hair quality that may coincide with other hormonal symptoms.Women may attribute these changes to work pressure, stress or ageing. However, when several symptoms occur together, particularly alongside menstrual changes, perimenopause may be one possible explanation.These symptoms are not exclusive to hormonal changes, and persistent or worsening complaints should be medically evaluated.HOW PERIMENOPAUSE AFFECTS SLEEP, MEMORY AND CONCENTRATIONFeeling tired despite spending enough time in bed, struggling to concentrate at work or repeatedly losing one's train of thought can be frustrating.During perimenopause, fluctuations in oestrogen and progesterone may contribute to changes in sleep. Some women experience difficulty falling asleep, lighter sleep or early morning waking, even without hot flushes.Poor sleep can further affect attention, memory and concentration. Hormonal changes may also influence brain functions involved in mood and cognition, contributing to what is commonly described as brain fog.These difficulties do not automatically indicate dementia or another neurological condition. However, symptoms that are persistent, severe or progressively worsening should not be dismissed as perimenopause without assessment.CAN HORMONAL CHANGES TRIGGER ANXIETY AND IRRITABILITY?Yes. Some women experience anxiety, irritability or mood swings during perimenopause, even if they have never previously experienced significant mood disturbances.Oestrogen interacts with brain pathways involved in mood regulation, including those involving serotonin and dopamine. Fluctuations in hormone levels may therefore contribute to emotional changes in susceptible women.The timing can offer useful clues. If mood changes repeatedly coincide with menstrual cycle changes, sleep disruption or other emerging symptoms, a hormonal contribution may be worth discussing with a clinician.This does not mean that anxiety is always hormonal or that psychological support is unnecessary. Mental health conditions, stress and hormonal changes can overlap, and treatment should address the factors contributing to an individual's symptoms.CHANGES IN PERIODS, LIBIDO AND VAGINAL HEALTHChanges in menstrual patterns are among the most recognisable signs of perimenopause. Periods may become shorter or longer, bleeding may become heavier or lighter, and cycles may become unpredictable.Declining oestrogen levels can also affect vaginal and urinary health. Some women experience vaginal dryness, discomfort during intercourse, reduced elasticity of vaginal tissue, urinary urgency or increased frequency. Recurrent urinary tract infections may also become more common around the menopausal transition.Vaginal discomfort can affect sexual activity and contribute to a reduced interest in sex, although libido is influenced by several physical, emotional and relationship factors.These symptoms are sometimes grouped under the term genitourinary syndrome of menopause. They should not be treated as inevitable consequences of ageing. A gynaecologist can assess the cause and discuss appropriate treatment options.WHY JOINT PAIN, HEADACHES AND WEIGHT CHANGES MAY OCCURJoint stiffness and unexplained aches can emerge during the menopausal transition. Changes in oestrogen levels may influence inflammation and musculoskeletal health, although joint pain can have several other causes.Hormonal fluctuations may also affect migraine patterns in women who are susceptible to headaches.Some women notice that their weight distribution changes, particularly with greater fat accumulation around the abdomen. Ageing, changes in body composition, physical activity, sleep and metabolic factors can all contribute, alongside hormonal changes.Persistent joint pain, new or severe headaches and unexplained weight changes warrant assessment rather than being automatically attributed to perimenopause.PERIMENOPAUSE OR THYROID PROBLEMS? HOW TO TELL THE DIFFERENCEFatigue, hair changes, weight fluctuations, mood disturbances and menstrual irregularity can occur during perimenopause. They can also be associated with thyroid disorders, anaemia, iron deficiency and other health conditions.This overlap makes it important to consider the complete clinical picture, including a woman's age, menstrual history, symptoms, medications and medical background.Depending on the presentation, a clinician may recommend thyroid function tests, a complete blood count, iron studies or other investigations.Perimenopause is often identified clinically using age, symptoms and menstrual history. Hormone tests, including follicle-stimulating hormone (FSH), are not always necessary and may be difficult to interpret because hormone levels fluctuate during this stage.The appropriate investigations should be determined by the clinician rather than relying on a single test to explain every symptom.CAN PERIMENOPAUSE BEGIN WHILE PERIODS ARE STILL REGULAR?Yes. Menstrual irregularity is a common sign of perimenopause, but it does not necessarily appear before every other symptom.Some women experience sleep disturbances, mood changes or difficulties with concentration while their periods remain largely regular. Others may notice changes in their cycles before experiencing any other symptoms.This is why menstrual regularity alone cannot rule out the possibility of perimenopause. Women in their 40s who develop a cluster of new symptoms may benefit from discussing the possibility with a gynaecologist.At the same time, regular periods and symptoms such as anxiety or fatigue are not sufficient to establish a diagnosis. Other possible explanations should also be considered.WHEN SHOULD WOMEN CONSULT A GYNAECOLOGIST?Women should consider seeking medical advice when symptoms begin affecting sleep, work, relationships, sexual health or everyday activities, or when they are unsure what is causing the changes.Hormone testing is not routinely required in every case. During perimenopause, FSH and oestradiol levels can fluctuate, meaning a single measurement may not accurately reflect the overall hormonal transition. A clinician may recommend tests when the diagnosis is uncertain or another condition needs to be investigated.Heavy bleeding, bleeding between periods, bleeding after sex or any bleeding after menopause should not automatically be attributed to hormonal changes and requires medical assessment.Seeking advice early can help women understand their symptoms and explore suitable management options rather than waiting until they become difficult to manage.HOW CAN PERIMENOPAUSE SYMPTOMS BE MANAGED?Management depends on the symptoms, their severity, medical history and individual preferences. Lifestyle measures can provide a useful foundation, although they may not be sufficient for everyone.Prioritise sleep: Maintain a consistent sleep schedule and address persistent insomnia.Stay physically active: Combine regular aerobic activity with resistance training to support muscle strength and bone health.Focus on balanced nutrition: Include adequate protein, fibre and calcium-rich foods, while limiting excessive intake of refined carbohydrates.Manage stress: Relaxation practices, counselling or other appropriate support may help with emotional symptoms.Seek treatment for vaginal or urinary symptoms: A clinician can discuss suitable local or other treatments based on the diagnosis.Discuss medical options: Menopausal hormone therapy can be effective for bothersome symptoms, particularly hot flushes and night sweats. Whether it is appropriate depends on individual risks, benefits and medical history.There is no single approach that works for every woman. The aim is to identify the symptoms that are affecting quality of life, rule out other conditions where necessary and choose treatment accordingly.Perimenopause is not limited to hot flushes or missed periods. Changes in sleep, mood, concentration, joint comfort, sexual health and menstrual patterns may also occur during this transition.Recognising these changes can help women seek timely advice and avoid overlooking other treatable conditions. Rather than assuming every new symptom is caused by hormones, women should discuss persistent or disruptive changes with a qualified healthcare professional and explore an individualised plan for managing them.- Ends