Our IVF Success Rates

Our latest validated results (July 15 – June 16) show a Clinical Pregnancy Rate of 68.8% for women under 35 years of age per fresh embryo transfer and 50% per fresh embryo transferred (as per the new HFEA standards for publishing statistics), which is the highest in London.

We believe our high success rates are down to our unique holistic and personalised approach to fertility and IVF and the exceptional team of doctors, fertility nurses, nutritionists, acupuncturists, counsellors and hypnotherapists that are here to support you throughout your IVF treatment. Commenting on the results, Dr George Ndukwe, our Medical Director says “Some of the best IVF clinics in the UK are in London and I am thrilled that we have the highest clinical pregnancy rate per embryo transferred in women under 35 years, and by a considerable margin. Particularly as we treat a lot of patients who have had several failed cycles, who are not expected to do well, statistically.”

All the embryology for our patients is carried out at CARE Fertility London, the HFEA licenced centre, where all our egg collections and embryo transfers also take place, carried out by our doctors. The Zita West Clinic is not an HFEA licenced clinic as we do not have an embryology laboratory on site.

Our results are validated by CARE Fertility London, which is regulated by the HFEA, who verify their data for accuracy.

July 2015 – June 2016, based on fresh embryo transfers for IVF and ICSI cycles with patients’ own eggs – Zita West Clinic:

AGE GROUP >>	Under 35	35-37	38-39	40-42	>43
Number of embryo transfers	48	60	49	64	14
Clinical pregnancy rate per fresh embryo transfer	68.8%	36.7%	36.7%	46.9%	33.3%
Clinical pregnancy rate per fresh embryo transferred	50.0%	25.0%	22.8%	23.1%	16.7%
Live birth rate per fresh embryo transfer	60.4%	28.3%	26.5%	40.6%	21.4%
Live birth rate per fresh embryo transferred	43.9%	19.3%	16.5%	20.0%	10.3%
HFEA UK National average Clinical Pregnancy Rate per Fresh embryo transferred	33.4%	26.4%	18.8%	12.1%	5.1%

The Zita West Clinic has the highest success rate in London

July 2015 – June 2016, based on fresh embryo transfers for IVF and ICSI cycles with patients’ own eggs, under age 35 – London clinics:

	Clinical pregnancy rate per embryo transfer	Clinical pregnancy rate per embryo transferred
Zita West Clinic	69%	50%
CREATE	47%	41%
ARGC	75%	39%
CRGH	60%	38%
The Lister	45%	38%
London Women’s	33%	35%
Barts	36%	32%
Guys Hospital	33%	27%
City Fertility	23%	18%

Understanding Success Rates

It’s not always easy to understand what a clinic’s results mean. The best way to really understand your chances of successful treatment with us is to talk to one of our consultants or, alternatively, to our Clinic Director.

It’s important to be aware that success rates have limitations as the basis for comparison or personal choice. The HFEA publishes on its website the results of every licenced clinic in the UK. To understand fertility success rates and other factors that are important when choosing a fertility clinic, please refer to the HFEA website: https://www.hfea.gov.uk/choose-a-clinic/.

Clinical Pregnancy Rate per Embryo Transferred: This rate shows the number of clinical pregnancies (counted as pregnancy events ie a twin pregnancy is counted as two clinical pregnancies) divided by the total number of embryos transferred.

We present the Clinical Pregnancy Rate per Embryo Transferred as it promotes embryo transfer practices that minimise the chances of twins, which carry health risks for the babies and the mother. However, this measure does not incorporate the outcomes of patients who do not reach embryo transfer stage.

Clinical Pregnancy Rate per Embryo Transfer: This rate shows the number of clinical pregnancies (counted as a single event ie a twin pregnancy counts as one pregnancy event) divided by the number of embryo transfer procedures.

Pregnancy rates at 44+ are extremely low (according to the HFEA and our own data).

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