Chelsea and Westminster

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Our Consultants

Dimitrios Nikolaou

Consultant Gynaecologist and Sub-specialist in Reproductive Medicine



Mr Dimitrios Nikolaou is a Consultant Gynaecologist and Specialist in Reproductive Medicine. He is the director of the Sub-specialty training program in reproductive medicine and leads the ovarian ageing and fertility program as well as the infectious disease program. The Fertility Centre is a centre of excellence for the management of infertility, especially in women in their late thirties and forties, and the UK’s only centre for the management of infertility in couples with blood-borne viral infections such as HIV or Hepatitis B and C.

He is a graduate of the University of Athens Medical School, Greece, and has worked in the United Kingdom continuously since 1994, becoming a member of the Royal College of Obstetricians and Gynaecologists in 1997. He completed seven years of specialist training in all aspects of Obstetrics and Gynaecology in England and Scotland with emphasis in evidence-based medicine under Professor Alan Templeton, 2 more years of clinical research in Assisted Reproduction Technology at the Hammersmith Hospital in London under the supervision of Professor Lord Winston, as well as 3 years of full sub-speciality training in reproductive medicine and surgery at Chelsea and Westminster Hospital under Professor John Studd, prior to taking up his consultant post in 2005.

He holds full UK speciality accreditation in Obstetrics and Gynaecology, full sub-speciality accreditation in Reproductive Medicine and Surgery, as well as formal accreditation in minimal access surgery. Mr Nikolaou is happy to consult about all aspects of gynaecology and infertility. He is a recognised authority in the areas of infertility in the late 30s and in the 40s, as well as the assessment of the ovarian reserve and management of the early onset of infertility in younger women (early ovarian ageing). He has lectured internationally on these topics and leads an active research team.
His research focuses on sub-fertility related to compromised ovarian reserve, the effect of blood-borne viruses on ovarian reserve, the development of screening strategies to detect women whose ovaries will “age early”, and the association of “early ovarian ageing” to other aspects of human ageing.

Mr Nikolaou published the first papers about the link between poor response to ovarian stimulation in asymptomatic young women with subsequent early menopause and he later described “early ovarian ageing” as an entity suitable for screening. He was part of the working group of the Royal College of Obstetricians and Gynaecologists on Reproductive ageing and he co-edited the relevant RCOG book, as well as the current guidelines and recommendations for clinical practice and research. He has a wealth of experience and is a recognised tutor in minimal access surgery, and regularly performs laparoscopic (key-hole) surgery for a variety of indications including the investigation of infertility, treatment of endometriosis and removal of ovarian cysts.

In his free time Mr Nikolaou enjoys cycling, restoring vintage bicycles, abstract painting and sculpture, walking and reading.

Professional expertise

Leads the ovarian ageing and fertility programme as well as the infectious disease programme. Special interest in the management of infertility in older woman (late thirties and forties).
Offers a holistic approach to the management of infertility including psychological and philosophical perspectives

Other contributions

Director of the sub-specialty training programme in Reproductive Medicine and Surgery. Introduced ‘early ovarian ageing’ as a clinical entity and was the first to introduce the concept of screening for early ovarian ageing in asymptomatic young women in the general population. Also introcuced a new, more positive perspective on polycystic ovaries.

Professional memberships

Royal College of Obstetricians and Gynaecologists, British Fertility Society, European Society of Human Reproductive and Embryology, Amercian Society of Reproductive Medicine, British Soiciety of Gynaecological Endoscopy

Our Consultants

We provide to our private patients the very best Consultant-led care, delivering world-class clinical expertise in an outstanding care environment.