Dr Derek Lok

  • Fertility Specialist 

  • Gynaecologist

  • Microsurgeon

Dr Derek Lok is an expert in general infertility, male factor infertility, endoscopic fertility surgery, microsurgical vasectomy reversal, IVF, pre-implantation genetic diagnosis (PGD) and miscarriage.


As a certified advanced reproductive microsurgeon and fertility subspecialist, Dr Lok has been providing a wide range of fertility treatments and performing advanced reproductive surgeries including keyhole microsurgical vasectomy reversals and laparoscopic tubal reversals in Adelaide, the UK and Sydney since 2000.  Providing the best chances of restoring normal reproductive functions with the ultimate goal of achieving a successful pregnancy, naturally or through assisted reproductive technologies.

The goals are to help the individual couple in their unique situation to achieve a successful pregnancy by the most natural and cost-effective ways in the shortest possible time.  Dr Lok works closely with groups of highly specialised and dedicated professionals using the most advanced and sophisticated reproductive surgical and world-leading assisted reproductive technologies to achieve these goals in an uncompromised and personalised way.

Dr Lok put great emphasis on the identification and correction of the fundamental issues which make specific couple struggle to conceive either naturally or with assisted reproductive treatments; offers highly individualised management.

Dr Lok has special interests and provides highly specialised medical and microsurgical treatments for men with fertility problems, including treatments to improve spermatogenesis and qualities, reversing vasectomy, and for men who do not have sperm in ejaculate (azoospermia) sperm retrieval for assisted fertility treatments.

Male factors alone account for one-third and are present in half of all couples seeking fertility treatment. Simple and non-invasive tests can identify, and highly effective treatments are available to help to overcome these problems.

Qualifications & Fellowships

Honour (O&G) degree in Medicine and Surgery

PhD in Feto-Maternal Medicine

Specialist in Obstetrics and Gynaecology (FRANZCOG)

Sub-speciality certified in reproductive endocrinology and infertility (CREI)

Certified advanced endoscopic surgeon (Level V-VI), AGES trainee supervisor

"My training and qualifications are in reproductive medicine and microsurgery. I feel very privileged to be one of the few fully qualified fertility subspecialists and one of the exceptionally limited number of reproductive microsurgeons operating in Australia."

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