IVF treatment involves several carefully coordinated steps, all aimed at giving the best possible chance of conception:
Some treatment cycles involve fresh embryo transfers, where the embryo is transferred 5-days after fertilisation. Others use frozen embryo transfers, where embryos are frozen for later use. Both approaches are widely used, with success rates differing slightly based on individual circumstances and clinic protocols.
When you start looking at IVF fertility treatment success rates, you’ll see several different ways they’re reported.
Here's a quick rundown:
This gives you a holistic view of your chance of having a baby from a single egg collection, including the transfer of any embryos created in that cycle (whether fresh or frozen).
A key measure for those doing IVF for the first time. This reflects your chance of a live birth from your very first egg collection.
This focuses on the chance of a live birth from a single transfer attempt, not accounting for any additional embryos that might be transferred later.
This tells you the likelihood of a live birth per single embryo transferred, fresh or frozen.
This metric reflects a clinical pregnancy after embryo transfer, giving a broader sense of immediate success, though not all pregnancies result in live births.
These measures give a more complete picture than looking at any one number in isolation. Comparing success rates at clinics fairly means ensuring you’re looking at the same measure across the board and using reliable, independently reviewed data, such as that provided by YourIVFSuccess.
I partner closely with Genea, whose success rates are consistently higher than the national average across all key measures. Whether looking at births per egg retrieval cycle, per embryo transferred, or clinical pregnancies per treatment attempt, their results reflect scientific excellence and a considered approach to care.
Genea’s data also highlights the success of fresh vs. frozen embryo transfers, with excellent outcomes reported in both areas. In 2022, success rates for frozen embryo transfers (including PGT-tested embryos) were particularly strong in women under 35.
Many factors influence the chances of IVF success:
It’s why fertility specialists like Dr Anthony Marren in Sydney take a holistic approach, looking at your overall health, history, and fertility needs to create a treatment plan that gives you the best possible chance of success.
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Not every treatment cycle will result in success, and some patients may need to undergo multiple cycles to achieve their goal of a baby. It depends on your age, health, and individual circumstances, but clinics like Genea consistently report success rates above the national average across most measures.
Maintaining a healthy weight, avoiding smoking, and moderating alcohol intake can all positively impact your fertility, egg and sperm quality, and overall treatment cycle outcomes. Fertility specialists will often work with you to optimise these factors before starting fertility treatment.
Success rates, services offered, the experience of the clinical team, and the level of support provided are all key considerations. When comparing success rates, make sure you're looking at the same measures across clinics and using independent data from trusted sources like YourIVFSuccess.
Fresh transfers happen soon after egg collection, while frozen transfers occur later, often allowing more time for the body to recover. Both options have excellent success rates, depending on your personal circumstances and treatment plan.
The Australian Government’s YourIVFSuccess website is an excellent place to start. It provides transparent, independently reviewed data, so you can compare clinics and understand your options as you move forward with your fertility treatment.
Understanding the emotional journey couples endure when they have difficulty conceiving or recurrent pregnancy loss is essential to my approach.
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