Swiss IVF Success Rate Soars as Multiple Births Decline

New statistics reveal dramatic improvement in Swiss artificial insemination outcomes, with multiple births dropping from 17.4% to 2.8% over two decades following regulatory changes.

Key Takeaways

Multiple births from artificial insemination in Switzerland dropped from 17.4% in 2002 to just 2.8% in 2023.
The 2017 revision of the Reproductive Medicine Act allows up to 12 embryos to be stored, enabling better selection.
In 2023, 2,511 children were born via IVF, accounting for 3% of all births in Switzerland.
The number of IVF treatments fell by 1.5% in 2023, yet the number of resulting births increased by 5.9%.

By The Numbers

17.4% to 2.8%

Decline in multiple birth rate

30%

Success rate per embryo transfer

7,341

Single embryo transfers

Maximum stored embryos

They Said

"This decline can largely be explained by a revision of the Reproductive Medicine Act in 2017. It allows a higher number of embryos (maximum 12) to be stored."
— Tonia Rihs

The End of the Twin Boom

Legislation Rewrites Biology

Efficiency Over Volume

The Single Embryo Standard

Sources & References

Fewer Swiss twins after artificial insemination

SWI swissinfo.ch