Medical tourism. Although many patients consider travelling abroad for ivf treatment to save money, things to consider are that some countries don't monitor success rates objectively so you are left to search on your own. Some countries restrict the types of procedures allowed and patients travel to the United States for treatment. Many also travel to the us for the improved success rates with each transfer.
Many come to USA ... Many international patients come to the us for ivf or donor egg treatment. The pregnancy rates for each age group with own eggs or donor are higher here than in the top clinics in europe canada & japan where medical care is generally high quality, though we have more twins. Costs of ivf are of course lower in india, mexico but success rates and standards of care are lower, + travel costs, language.