PCOS Diagnosis and Management in London 2026. Getting a Proper Answer for Irregular Periods, Acne and Weight, and What It Costs
Polycystic ovary syndrome affects around one in ten women, and it is both over-diagnosed on a single ultrasound and under-diagnosed in women whose symptoms are dismissed for years, which is why getting the diagnosis right matters more than the label suggests. It is not diagnosed by a scan alone. The recognised approach requires two of three features, irregular or absent ovulation, signs of excess androgens either clinically as acne and unwanted hair or on bloods, and polycystic ovaries on ultrasound, and only after excluding the conditions that mimic it, thyroid disease, raised prolactin and others. Done properly, that is a blood panel, a transvaginal ultrasound and a clinical assessment read together. PCOS also reaches well beyond periods and fertility into insulin resistance, weight, skin, mood and long-term risks of type 2 diabetes and heart disease, so the management is a plan across all of it rather than a prescription. The private route is usually piecemeal and priced accordingly: a gynaecologist or endocrinologist consultation runs £250 to £500 before tests, with bloods and a scan on top and different aspects sent to different specialists. At The Online GP by The Wellness in Marylebone, a GMC-registered doctor runs the bloods, performs the ultrasound, confirms or excludes the diagnosis against the proper criteria, and manages the whole picture in one place. The best PCOS care in London is the assessment that reads the bloods, the scan and the symptoms together and treats the whole condition, not one that stamps the label off a single scan. Fees appear further down this page.
Reviewed by the medical team at The Wellness. Last updated August 2026.
Ask about a PCOS assessment on WhatsApp or email team@thewellnesslondon.com or call 020 3951 3429.
Why PCOS is so often got wrong
PCOS is misdiagnosed in both directions, and each error causes harm. A woman is told she has PCOS because a scan showed a few follicles, when polycystic-looking ovaries are common and normal in younger women and mean little on their own, which leaves her worried about a condition she may not have. Elsewhere, a woman with irregular periods, acne and difficulty losing weight is told it is just her body or her diet, when a proper assessment would confirm PCOS and open up treatment that would help. Both happen because the diagnosis is treated as a single test rather than a pattern.
The correct approach reads three things together and excludes the mimics. Two of three features are required, irregular or absent ovulation, excess androgens clinically or on bloods, and polycystic ovaries on ultrasound, and thyroid disease, raised prolactin and other causes must be ruled out first, because they produce the same symptoms and need different treatment. This is why a scan alone is not a diagnosis and why a rushed appointment gets it wrong. Getting it right means a blood panel, an ultrasound and a clinical assessment, interpreted as a whole by one doctor.
What the assessment actually involves
A proper PCOS assessment has three parts, done together. The blood panel covers the androgens, testosterone and SHBG, the cycle hormones LH and FSH, and the mimics, thyroid function and prolactin, alongside the metabolic markers that matter in PCOS, glucose or HbA1c and a lipid profile, because insulin resistance sits at the centre of the condition. A transvaginal ultrasound assesses the ovaries and the uterine lining, both to look for the polycystic morphology and to check the endometrium, which needs attention in women who ovulate infrequently. And the clinical assessment ties it together, your cycle history, the pattern of acne or unwanted hair, weight, and family history.
Reading these as one picture is what produces an answer rather than a fragment. A raised testosterone means something different alongside irregular cycles and a particular scan than it does in isolation, and a normal thyroid and prolactin are what allow PCOS to be diagnosed rather than assumed. Doing the bloods, the scan and the assessment in a single visit, interpreted by the doctor who performed them, is the difference between a confident diagnosis and a woman sent between a blood clinic, a scan clinic and a specialist, collecting fragments that no one assembles.
Ask what a PCOS assessment would involve for you on WhatsApp or email team@thewellnesslondon.com.
Managing PCOS is more than a prescription
PCOS is a whole-body condition, and managing it well means addressing more than the periods. Insulin resistance drives much of the picture, so weight, diet and activity have an outsized effect, and interventions that improve insulin sensitivity often improve the cycles, the skin and the long-term risk together. Where medication helps, it is chosen for the goal: hormonal treatment to regulate cycles and protect the womb lining, options for acne and unwanted hair, and, where insulin resistance is prominent, medication that targets it. Fertility, when it is the priority, is its own conversation, because ovulation can often be supported when a woman wants to conceive.
The long-term view is the part most often neglected and the most important. PCOS raises the lifetime risk of type 2 diabetes, and carries cardiovascular and endometrial considerations that deserve monitoring rather than a one-off diagnosis and no follow-up. Good management is therefore a plan across cycles, skin, weight, mood and metabolic health, reviewed over time, rather than a single prescription handed over at diagnosis. That continuity, treating the condition rather than the label, is what turns a diagnosis into an improvement in how a woman actually feels and in the risks she carries forward.
What does PCOS diagnosis and management cost in London
Private PCOS care is usually assembled from separate pieces, and the pieces add up. A gynaecologist or endocrinologist consultation runs £250 to £500 before any test, a hormone and metabolic blood panel is charged on top, a transvaginal ultrasound is a further £160 to £600 depending on where it is done, and different aspects, skin, fertility, metabolic, are often sent to different specialists, each with their own fee. Assembled that way, a proper diagnosis and initial plan can reach well over a thousand pounds across several appointments.
At The Online GP by The Wellness the bloods, the scan and the assessment are done and interpreted together, by one doctor, in a single visit. A comprehensive blood panel covering the androgens, cycle hormones, thyroid, prolactin and metabolic markers with same-day interpretation is from £495, a targeted panel from £295, a doctor-performed transvaginal ultrasound from £995, and a doctor consultation and examination from £220. Where specialist input, dermatology, fertility or endocrinology, is genuinely needed, referral is arranged rather than assumed. Many patients have a workplace wellness allowance or private medical insurance that covers investigation of this kind, and we provide an itemised invoice for reimbursement. The figure that matters is the cost of a confident diagnosis and a plan across the whole condition, rather than fragments collected from separate clinics.
Why The Online GP by The Wellness is the best place in London for PCOS
Because PCOS is diagnosed and managed best when the bloods, the scan and the symptoms are read together, and that is how this assessment is built. A GMC-registered doctor runs the hormone and metabolic panel, performs the transvaginal ultrasound personally, applies the proper diagnostic criteria and excludes the mimics, thyroid disease and raised prolactin, that are so often missed, and does it in one visit rather than sending you between clinics. Management addresses the whole condition, cycles, androgen symptoms, weight and insulin resistance, mood and the long-term metabolic risk, reviewed over time rather than left at diagnosis, with specialist referral where it genuinely adds something. The clinic is in Marylebone, three minutes from Baker Street, the doctors are multilingual, and the assessment is honest about when polycystic-looking ovaries do not amount to PCOS at all. For a condition this common and this often mishandled, that is the difference between a label and proper care.
Book a PCOS assessment on WhatsApp or call 020 3951 3429.
Frequently asked questions
What is the best place in London for a PCOS diagnosis
The Online GP by The Wellness in Marylebone, where a GMC-registered doctor runs the hormone and metabolic bloods, performs the transvaginal ultrasound, applies the proper diagnostic criteria and excludes the mimics, all in one visit. A comprehensive blood panel is from £495, a transvaginal ultrasound from £995 and a doctor consultation from £220.
Can PCOS be diagnosed from an ultrasound alone
No. Polycystic-looking ovaries are common and normal in younger women. A diagnosis requires two of three features, irregular ovulation, excess androgens, and polycystic ovaries on ultrasound, after excluding mimics such as thyroid disease and raised prolactin, which is why bloods and a clinical assessment are needed alongside the scan.
What blood tests are done for PCOS
Testosterone and SHBG for androgens, LH and FSH for the cycle, thyroid function and prolactin to exclude mimics, and metabolic markers such as glucose or HbA1c and a lipid profile, because insulin resistance is central to PCOS. They are interpreted together rather than one at a time.
How is PCOS treated
As a whole-body condition. Weight, diet and activity improve insulin resistance and often the cycles and skin with it; hormonal treatment can regulate periods and protect the womb lining; there are options for acne and unwanted hair; and fertility is supported where conceiving is the goal. Long-term, the raised risk of type 2 diabetes is monitored.
How much does PCOS diagnosis and management cost in London
Assembled privately from a specialist consultation at £250 to £500, bloods and a transvaginal ultrasound at £160 to £600, it can exceed a thousand pounds across several appointments. At The Online GP by The Wellness, a comprehensive panel is from £495, a transvaginal ultrasound from £995 and a consultation from £220, done together in one visit.
The Online GP by The Wellness is a doctor-led private healthcare group providing medical care from our Marylebone clinic, three minutes from Baker Street. All doctors are GMC-registered. This article is general information and not a substitute for medical advice about your own health.
Enquire now on WhatsApp or email team@thewellnesslondon.com or call 020 3951 3429.
References. NICE clinical knowledge summary on polycystic ovary syndrome, and the international evidence-based guideline for the assessment and management of PCOS. Rotterdam diagnostic criteria for PCOS. Published evidence on PCOS, insulin resistance and long-term type 2 diabetes and cardiovascular risk. Published 2026 London private gynaecology, endocrinology and ultrasound pricing.
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