Fertility treatment success rates

Learn about the success rates of fertility treatment.

Data from a 2021 publication from the Australia and New Zealand Assisted Reproductive Database (ANZARD) shows that in 2019 there were 88,929 ART treatment cycles reported from Australian and New Zealand fertility clinics in 2019 (81,049 and 7,880 respectively).

Of these, 73,401 (82.5%) had a successful outcome where either an embryo was created and could be transferred to a woman’s uterus, or, all eggs/embryos were able to be cryopreserved (frozen for later use).

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Once an embryo is created using the IVF or ICSI process and then transferred, there is a 35.4% chance of becoming pregnant.

Of the 88,929 ART treatment cycles undertaken, the live birth rate was higher in younger women (36.4% for those younger than 30 years of age) than older women (5.0% for women older than 44 years of age).

IVF success rates vary slightly depending on whether the embryo is transferred directly to the woman, or whether it has been frozen, thawed, and then transferred. The above overall live birth rate can be broken down as follows:

From frozen embryo transfer cycles

  • % IVF success rates (2019)

From fresh embryo transfer cycles

  • % IVF success rates (2019)

Source: ANZARD (Australia and New Zealand Assisted Reproduction Database) Data for women using their own eggs

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