There are huge differences across the world in how assisted conception and surrogacy is regulated. Different countries have very different attitudes towards different aspects of assisted conception. There are countries which don’t allow egg donation. There are countries which don’t allow commercial surrogacy. And there are countries which don’t allow preimplantation genetic diagnosis – the selection of embryos before transplantation.
In reality, the result of these differences is that people travel to avoid them. Within Europe, there are a whole range of crisscrossing routes that people take in order to access treatments that they can’t get, or can’t easily get, in their home country. For example, if a country doesn’t allow same-sex female couples to access treatment, they’ll just get on a plane or a train and go to a country that does allow that. If a country doesn’t allow preimplantation genetic diagnosis, again, people will travel to receive that treatment. So, the result of this patchwork of different laws is reproductive travel, where people seek treatments overseas.
Another driver for cross-border reproductive care is cost. In the UK, the regime is relatively liberal, and there are relatively few things that people can’t obtain. Two examples would be sex selection for social reasons, and anonymous sperm donation and anonymous egg donation. People might travel for those, but most other things are allowed within the UK. However, people within the UK would still travel for cheaper treatment, going to Eastern Europe for example, perhaps for egg donation. In the past, there was quite a well-trodden route to Southeast Asia for surrogacy, although Thailand and India have shut the door on surrogacy for foreigners in recent years.