Merrion Fertility Clinic Success Rates

Our success rates mark MFC out as an outstanding performer in the provision of fertility services. We consistently rank well above the European average as published by the European Society for Human Reproduction & Embryology and HFEA in the UK.


Success Rates 2017

We are delighted to report that our clinical pregnancy rate for IVF and ICSI treatments for 2017 was 45.5% * per completed cycle of treatment. In couples where the female partner was 35 years of age or younger, the chance of conceiving with a fresh cycle of treatment was 54.3% * These success rates are significantly above internationally reported success rates.

Our overall twin pregnancy rate continues to decline at only 4.5% due to our carefully applied criteria regarding single embryo transfers (SETs).

* Due to miscarriage etc., live birth rates are lower, especially in older women – see above graph.

Pregnancy Rates 2017


Elective single embryo transfer (eSET) means that for a couple with at least 2 good quality embryos available, we recommend transferring one embryo and freezing any extra ones for future use. This is regarded as the safest way to practise IVF as it reduces multiple pregnancies (twins and triplets) which are high risk pregnancies.

We have recently compiled our success rates for couples who had an elective single embryo transfer in 2017 and the results are very encouraging.

The cumulative pregnancy rate for this group after one fresh cycle plus one frozen cycle (if not pregnant after fresh) is 80.2%.

At MFC, eSET is only recommended for couples with very good embryos, but only 43% of our couples fall into this category. In 2017, 99 (58.6%) of eSET couples conceived with their first initial cycle and all of them had at least one extra embryo frozen. Of the 70 couples who were initially unsuccessful, 32 proceeded to a frozen embryo transfer cycle and 6 (19%) of those have conceived. And most of these couples still have more embryos available for the future.

** Due to miscarriage etc., live birth rates are lower, especially in older women – see above graph.



Live-birth rates or “take home baby rates” cannot be reported until all women have delivered. It is wonderful to report our Live-birth rates for 2017 which are exceptional by international standards.

Please click on the link below should you have any further queries or if you wish to book an appointment at Merrion Fertility Clinic.


IVF Cost: Contact Us


IVF Cost: Online Self Referral Form