Have a Query?
Call our Clinical Services Manager on 0818 333 310 or email [email protected]
Our clinical team at Waterstone Clinic is available to answer questions on reproductive medicine and give advice on specific clinical cases. We have resources available to assist GPs.
GP Consultation Guide
Our Fertility Consultation Guide is a free, printable educational resource. It provides practical information and a step-by-step guide to help your fertility consultations. Including information to seek from patients, a calculator for the fertility window, and a guide to fertility investigations, this guide will assist your consultations in a practical way.
When To Refer
Refer to a fertility specialist if your patient is:
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Under 35 years of age and has been trying for over 1 year.
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Over 35 years of age and has been trying for over 6 months.
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40 years of age or over, refer immediately
HealthLink referrals can be sent via your practice management system during the patient consultation. A copy of the referral and appointment will be automatically saved into your patient’s records.
Letter referrals can also be sent to Waterstone Clinic. Please include the patient’s contact details and any relevant gynaecological, reproductive, medical and social history.
Investigations for Female Patients
On Day 2/3/4 of the Menstrual Cycle: FSH, LH, Estradiol, Prolactin, T4, TSH, Rubella
Any Cycle Day: AMH
7 Days Before Menstrual Cycle Start: Progesterone
Note: Patients must also have an up-to-date cervical smear test.
Investigations for Male Patients
Semen Analysis Test
Exploring Volume, Concentration (sperm count), Motility and Morphology
Refer to a fertility specialist if your patient has:
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Abnormal semen analysis results
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History of undescended testes
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History of mumps
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History of vasectomy
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History of cancer treatment
Our Clinical Team
Dr John Waterstone
Dr John Waterstone MD MSc MRCOG CCST leads Waterstone Clinic and has devoted his life to women’s health and fertility in the pursuit of parenthood for his patients. He has been the leader of many important milestones for reproductive medicine in Ireland.
Dr Waterstone established Waterstone Clinic (formerly Cork Fertility Centre) in 2002. The Centre has since expanded nationally, with additional clinics in Dublin, Limerick, and Waterford. Dr Waterstone prides himself on being at the forefront of Assisted Reproduction in Ireland. He and his team are known internationally and collaborate with top clinics in the USA, UK, Spain, and Cyprus. He has led the introduction of new fertility techniques to Ireland, many of which have become standard practice.
Dr Waterstone was the first to deliver the first babies born following Pre-implantation Genetic Diagnosis (PGD) treatments; Pre-implantation Genetic Screening (PGS); and Microsurgical Testicular Sperm Extraction (MicroTESE).
Dr Waterstone’s clinic was the first Irish clinic to implement routine blastocyst culturing, paving the way for elective single embryo transfer. The clinic was also the first to successfully use vitrification for embryo cryopreservation, which improves the viability of frozen embryos.
Dr Waterstone’s career began in the Science Faculty (Genetics) and Medical School of Trinity College Dublin before moving to the Rotunda Hospital, Dublin. Dr Waterstone trained in Obstetrics & Gynaecology before continuing his training and teaching hospitals in London. Dr Waterstone is a consultant obstetrician at Cork University Maternity Hospital and is involved with undergraduate and postgraduate medical education at CUMH. He is committed to leading innovation in Reproductive Medicine in Ireland.
Dr Eithne Lowe
Dr Lowe is a Consultant in Reproductive Medicine and leads the Dublin team. Dr Lowe joined the Waterstone Clinic team in 2021. She has more than twenty years of experience in fertility.
Dr Lowe completed her specialist training at the Royal College of Obstetricians and Gynaecologists, London, and worked as a Consultant Obstetrician & Gynaecologist in Galway.
Dr Lowe is particularly interested in working with couples on lifestyle issues to improve the chances of natural conception initially.
Appointments for consultations with Dr Eithne Lowe can be made in both Waterstone Clinic Dublin and Waterstone Clinic Kildare.
Dr Alexandra Toth
Dr Alexandra Toth is a Consultant in Reproductive Medicine at Waterstone Clinic Cork. She joined the team in 2022.
Following her medical training in Hungary, Dr Toth undertook specialist training in gynaecology, working in gynaecological surgery and fertility-related surgery, and completed her training as an Obstetric & Gynaecological Specialist. She had a keen interest in fertility and began working as an IVF Fellow and obstetrician in Budapest in 2016.
Working in IVF clinics and private hospitals, she gained invaluable experience in IVF procedures and obstetric practice, working with multidisciplinary teams before joining the Waterstone Clinic team in 2022.
Dr Toth’s area of special interest is pre-implantation genetic testing and egg donation. Appointments can be made with Dr Toth in Waterstone Clinic Cork.
Dr Ehab Abu Marar
Dr Ehab Abu Marar is a Consultant in Reproductive Medicine at Waterstone Clinic. He is internationally recognised as an IVF expert.
Dr. Abu Marar graduated from GR. T. POPA University in lasi, Romania. Following his Obstetrics & Gynaecology residency in Jordan, he continued to specialise in the field and became a senior specialist in the International Medical Centre in partnership with the Cleveland Clinic in the USA, one of the world’s most prestigious hospitals. Dr. Ehab then followed his interest in fertility, IVF and endoscopic surgery, training in Germany and Belgium in renowned IVF centres.
Dr Abu Marar began lecturing at the University of UKSH School of Medicine in Lübeck, Germany, after completing his Obstetrics & Gynaecology training. He collaborated on many scientific and academic research projects. He published journal articles and book chapters, and delivered speeches at many international congresses and workshops. He continued this work in Al-Yarmouk University in Jordan in the Medical Faculty as an assistant Professor lecturing in Obstetrics & Gynaecology, and IVF treatment and techniques. He remains very active in medical research.
Dr Abu Marar’s particular interests are PCOS, endometriosis, and hysteroscopy.
Dr Ciara O’Keeffe
Dr O’Keeffe is a Consultant in Reproductive Medicine. Most recently she undertook a fellowship position at St. George’s Hospital, London, focused on caring for patients with endometriosis.
She specialised in Reproductive Medicine at St Bartholomew’s Hospital, London, when she completed her specialist training in Obstetrics & Gynaecology. She achieved her Bachelor of Medicine, Bachelor of Surgery (BMBS) in Exeter University.
Dr O’Keeffe’s special interests include fertility preservation and menopause care.
You can book your consultation with Dr O’Keeffe in our Cork Clinic.
Dr Daniel Bodri
Dr Daniel Bodri is a Consultant Gynaecologist and internationally renowned fertility specialist. He has worked in well-known fertility centres in France, Spain, Japan, and UK. He is multilingual and speaks 8 languages (English, Spanish, Italian, French, German, Hungarian, Russian and Japanese).
He is an expert in the field and a prolific researcher. He has conducted extensive research in fertility and published over 30 peer-reviewed articles and book chapters in high-impact scientific journals and publications. He also served as an Associate Editor for the prestigious scientific journal, Human Reproduction.
Dr Bodri studied medicine in Semmelweis University in Hungary where he completed his Obstetrics and Gynaecology specialist training. Later he was trained in Assisted Reproduction in France and Spain. He went on to complete his Masters at Leeds University and his PhD at the University of Barcelona.
Dr Bodri’s main clinical and research interests are innovative ovarian stimulation protocols, egg donation treatment, embryo transfer optimisation and advanced ultrasound imaging.
You can book a consultation with Dr Bodri in our Cork Clinic.
Dr Ana Castrillon
Dr Ana Castrillon is a Consultant in Reproductive Medicine at Waterstone Clinic Dublin.
Following her medical training in Colombia and Germany, she undertook specialist training in Obstetrics & Gynaecology in Germany, working in fertility-related surgery. She started a fellowship in Reproductive Medicine in the Vierheim Institute for Fertility in early 2024.
Working in IVF and Reproductive Medicine, she has a specialist interest in low ovarian reserve and premature ovarian insufficiency. Dr Castrillon is Colombian-Canadian and speaks Spanish and German.
Appointments can be made with Dr Castrillon in Waterstone Clinic Dublin.
Dr Komagal Selvakumar
Dr Komagal Selvakumar is a fertility specialist in the Waterstone Clinic Dublin team.
Dr Selvakumar completed her medical training (MBBS) in India and undertook specialist training in Obstetrics & Gynaecology. After working in this area for almost a decade in hospitals in India, she moved to Ireland to work at the Beacon Hospital.
She joined the Waterstone Clinic team in 2022 to pursue her passion for fertility medicine. She has a particular interest in fertility check, egg freezing and pre-conceptual care.
Dr Tim Dineen
Dr Tim Dineen is a founding member of Waterstone Clinic. He is an ESHRE-certified Senior Clinical Embryologist with specialist training in Genetic Counselling.
Tim leads our Quality Team, heads our onco-fertility preservation service, and founded our Pre-implantation Genetic Testing programme at Waterstone Clinic.
Dr Xiao Zhang
Dr Xiao Zhang is the scientific doctor for Waterstone Clinic and our laboratory manager. He is a medical doctor with a PhD in reproductive medicine. His research has been published extensively, and he received an honorary professorship from Zhengzhou University in China.
Xiao was the first doctor in China to achieve an assisted pregnancy from frozen eggs and introduced the first PGT programme in Cyprus.
Xiao leads the team and innovations in the Waterstone Clinic laboratory.


