When you first start IVF treatment, the most important question you want answered is ‘what are the chances of having a baby?’. Though there are many individual factors that can cause fertility issues, one of the important indicators to success and the chance of having a baby is the management of the IVF cycle and laboratory performance of the IVF unit. Care Fertility is committed to excellence in patient-centered care and is proud of its high success rates despite seeing many complex couples who have been treated without success at other units.
The graphs below show the clinical pregnancy rates (a clinical pregnancy means having a heartbeat detectable on ultrasound at six weeks gestation and this has a high chance of having a live birth) and live birth rates of couples having treatment at Care Fertility with fresh embryo transfer using their own eggs and sperm (donor cycles and cycles with embryo transfer to gestational carrier are excluded) in 2018 and 2019 (January to December). The results are divided by female age and include patients treated at all Care Fertility clinics using both IVF and ICSI.
From January to December 2018 the live birth rate for all Care Fertility patients per egg collection proceeding to fresh transfer was 26.1% and 25% between January 2019 and December 2019 (donor cycles and cycles with embryo transfer to gestational carrier are excluded). Over 97% of these pregnancies are singleton pregnancies. There are not many fresh embryo transfers performed in women over 40 years as many couples in 2019 elected to have pre-implantation genetic testing.
The frozen embryo transfer clinical pregnancy (having a heartbeat detectable on ultrasound at six weeks gestation) and live birth rate from 2018 and 2019 (January to December) is shown below. The results are divided by female age and includes patients treated at all Care Fertility clinics in 2018-2019.
Understand success rates
In understanding your chance of success with Care Fertility it is important to remember that IVF success rates depend upon many factors including the age of the patient, lifestyle factors including weight and smoking, genetic factors and the causes of the fertility problem. It is important to note your individual results will vary depending on your individual circumstances.
Having a realistic expectation of pregnancy is important. Other statistics may help during your IVF experience are:
- One in eight IVF cycles is cancelled and does not proceed to egg collection.
- Approximately 25% of eggs collected do not fertilize normally.
- Sometimes embryos do not develop well and a transfer may not occur (up to 5% of cycles). This occurs commonly when the woman is over 40 years of age.
- Approximately 2% of embryos will not be retrieved or will not thaw after freezing.
- Chemical pregnancy (positive pregnancy test) per embryo transfer is often quoted as around 40 to 60%. Many of these pregnancies do not progress to have a heartbeat at six weeks gestation.
- Miscarriages occur in about 1 in 4 pregnancies which result from IVF.
These statistics mean it is often required to have more than one treatment cycle. Your doctor will advise you if it is wise to proceed with another treatment cycle if your cycle is unsuccessful.
Success is measured in different ways and Care Fertility prides itself on providing quality and patient-centred care for a couple experiencing a stressful journey of infertility. This is provided by the medical, nursing, scientific and counselling teams. The feedback from patients attending Care Fertility is overwhelmingly positive and Care Fertility seeks to improve in every way it can so the feedback (both positive and negative) is very valuable.
More information on interpreting pregnancy rates is available on the website of the Fertility Society of Australia.: https://www.fertilitysociety.com.au/wp-content/uploads/How-to-choose-an-IVF-clinic-and-understand-success-rates_ACCESS-1.pdf
Here are some national statistics from 2018 and updated information is available from the annual report of the Australian and New Zealand Reproductive Technology Database (ANZARD) available from the University of New South Wales website.
- Pregnancy seen on ultrasound at six weeks (called a clinical pregnancy) per embryo transfer is 31.4% for fresh cycles and 36.7% for thaw cycles (2018 data). Some of these pregnancies may result in a miscarriage instead of a live birth.
- Live births per embryo transfer are 24.6% for fresh cycles and 29.3% for thaw cycles (2018 data).