ISIS Fertility commenced their first egg collection on the 13th of March 2009. Since then, ISIS Fertility has had exceptional clinical results.

Overall percentage of transfers resulting in clinical pregnancies: IVF and ICSI cycles

Graph showing clinical success rates for IVF and ICSI cycles

2009–2011 clinical success rate (IVF/ICSI fresh embryo transfer)

IVF/ICSI 2009 2010 2011
Total 37.7% 35.7% 36.8%
<35ys 49.4% 57.7% 50.5%
35–39yrs 31.1% 39.3% 32.0%
>=40yrs 18.8% 8.2% 19.0%

 

Overall percentage of transfers resulting in clinical pregnancies: frozen embryo transfer (FET) cycles

Graph showing clinical success rates for frozen embryo transfer cycles

2009–2011 clinical success rate (Frozen embryo transfer)

FET 2009 2010 2011
Total 39.1% 24.4% 33.3%
<35ys 41.1% 28.6% 35.2%
35–39yrs 45.0% 20.9% 44.4%
>=40yrs 26.7% 18.2% 16.7%

 

These results are from a live baby on ultrasound at 8 weeks — not just a positive pregnancy test.

The National Peri-natal Statistics Unit (NPSU) collates information from all Assisted Reproductive Technology Units in Australia and New Zealand. To see a comprehensive compilation of data visit their website: www.npsu.unsw.edu.au

IVF and Fertility Problems — Will It Succeed?

Your ISIS Fertility Specialist will advise you as to your specific treatment options, and will also explain to you your chances of success, taking into consideration your type of infertility, your age and your treatment.

Assisted Reproductive Technology (ART) procedures have progressed rapidly since their development and so have the associated success rates, but generalised success rates can be misleading due to the individuality of each patient's situation. There are many hurdles to cross during treatment and it is wise to keep in mind that they all have to be successfully crossed to get to what we are all striving for.

Talk to your ISIS Fertility Specialist, client services manager, nurse or counsellor about these hurdles and your specific treatment, and ask as many questions as you need to. It is better to be well prepared than to have to deal with unexpected events during this important, and sometimes difficult stage of your lives.

Infertility — The Age Factor

The age of the female partner is one of the most significant factors in treatment success. In a stimulated IVF treatment cycle, injections of FSH (Follicle Stimulating Hormone) are used to stimulate follicular growth and the development of eggs. As female age increases, the average number of follicles and eggs produced decreases and treatment may be cancelled if the follicle number is not suitable.

The pregnancy rates for patients having any form of Assisted Reproductive Technology such as IVF start decreasing from around 35 years of age. Miscarriage rates also increase with female age.

Elective single embryo transfer

With the development of technology and higher pregnancy rates, more people are electing to have one embryo transferred to minimize their risk of a twin pregnancy. Generally we recommend having one transferred the first cycle, then in consultation with your Fertility Specialist you may elect to have two embryos transferred, based on personal circumstances.

Things to remember when looking at published success rates

In comparing success rates, many factors contribute to a clinic's results. These factors include the range of Assisted Reproductive Technologies (ART) offered by the clinic and the criteria for allowing treatment. A clinic's success rate may vary from year-to-year with the introduction of new reproductive technologies. However, the more cycles a clinic carries out, the less the rate is likely to vary.

Some clinics see more patients with difficult infertility problems, even though the probability of achieving success is low. Other clinics discourage such patients and only treat those with a high probability of achieving a pregnancy. At ISIS Fertility we treat all patients, even those who have been unsuccessful elsewhere.

Success rates can be affected by many factors, including:

Definition of Pregnancy: ISIS Fertility define a clinical pregnancy as evidence of a pregnancy on ultrasound scan at 7 weeks' gestation and not just a positive blood test. (Biochemical pregnancy)

Although ART offers important options for the treatment of fertility problems, the decision to use ART involves many factors in addition to success rates. Going through repeated ART cycles requires substantial commitments of time, effort, money, and emotional energy. Therefore, you should carefully examine all related financial, psychological and medical issues, before beginning treatment. You may also wish to consider the location of the clinic, the counselling and support services available, and the rapport that staff have with their patients. ISIS guarantees accessibility to all staff involved in your journey.

© ISIS Fertility 2013
Canberra Australia

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