On the other hand, many people will be able to have two or more embryo transfers from a single IVF egg collection cycle.īirth rates are slightly higher when using fresh embryos - a fresh transfer always uses the best embryo, while thawed transfers use the next best embryo(s). Keep in mind that not everyone will have an embryo suitable for transfer. The Australian Reproductive Technology Accreditation Committee (RTAC) suggests clinics present results as birth rates per embryo transfer to allow easier comparison between clinics. So if you get 8 eggs the first time, you can expect 5 to 11 eggs the next time.įertility Associates has excellent IVF success rates. The number of eggs can vary from one IVF cycle to another the number is usually within plus or minus 3. The chance is very similar whether it is your 1 st, 2 nd or 3 rd cycle, unless some major problem or issue shows up in the first cycle. However, having more than 10 eggs only adds a small extra benefit. Having 5-10 eggs gives about twice the chance compared to having 1-2 eggs. The numbers you are likely to have in an IVF cycle can be estimated from the level of a hormone called AMH (Anti Mullerian Hormone). Our doctors customise the dose of medications and the type of ovarian stimulation based on your age, AMH level, and other information from your medical history. Your doctor will advise whether other personal factors, such as cause of infertility, weight, or sperm quality, that might affect your chance of success. When using frozen embryos, it is your age when the embryos were created. If you are using an egg donor, it is the donor’s age that matters. The major factors contributing to individual success are: It is your personal chance of success per treatment that is important. For most of these people, it is better to stop, and start again with a higher dose of the medications used for ovarian stimulation. About 10% of cycles started do not get to egg collection. We transfer fresh embryos at the cleavage or blastocyst stage, while thawed embryos are nearly always transferred at the blastocyst stage. These results cover IVF cycles with normal fertilisation and sperm microinjection. The figure above is based on all egg collections at Fertility Associates clinics over the last three years for which we have complete birth results (2018-2020). It covers all women using their own eggs who have an egg collection, including those who did not get any eggs, those whose eggs didn’t fertilise, those who do not have an embryo suitable for transfer, and those whose pregnancy sadly miscarried. Here are our most recent results for a single IVF egg collection cycle. Our booklet Pathway to a Child has comprehensive information on the chance of success with IVF and other treatments. Many use ‘ clinical pregnancy per embryo transfer’, which excludes:Ĭlinical pregnancy rate per transfer can also be increased by transferring more than one embryo at a time, which carries the risks and complications of twins and even triplets to the mother and children. When selecting a clinic, it’s important to check what measure they use when reporting their success rates. Over half our births from IVF in younger women come from using frozen embryos. This is also the preferred way to report results for the New Zealand consumer group, fertilityNZ and SART (the Society for Assisted Reproductive Technology) in the United Statesįor IVF, this includes using both fresh and frozen embryos from a single egg collection. We use the chance of a baby from a single treatment cycle. Different clinics report fertility treatment success in different ways.
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