It is very complicated to provide figures relating to the success rates of gestational surrogacy arrangements in the United Kingdom. Keep in mind that surrogacy involves several parties and procedures, including the surrogate's ability to become pregnant, egg quality (especially if the intended mother uses her own eggs), the success of IVF, and sperm quality, among others.
Read the full article on: How Does Surrogacy Work in the UK? – Law, Cost & FAQs ( 48).