Website search

Before embryo transfer, various decisions need to be made about your embryos. This page explains the decisions you and your clinic will need to make.

Some people who are having fertility treatment have embryos which are not transferred in their IVF cycle. Find out how your embryos can be frozen for use in later treatment or to donate to research, training or someone else.

Scientists need eggs, sperm and embryos to carry out research to understand and improve fertility treatments. Without this kind of research treatments like IVF wouldn’t exist, and without future research there can be no advancements in treatments, technologies and knowledge.

On this page you will find summaries of embryo research projects currently taking place in the UK.

We have published our ‘Family formations in fertility treatment’ report, which looks at IVF and DI statistics for heterosexual, female same-sex and single patients in the UK.

We have published our latest annual dataset Fertility Trends: ‘UK statistics for IVF and DI treatment, storage, and donation’.