Could international surrogacy ever be ethical?

Surrogacy enables people who are medically and socially infertile, including singles and same-sex couples, the opportunity to become parents and to enjoy the lifelong pleasures of parenthood.

For many, this will be the strongest argument for the legalisation of surrogacy and the greatest benefit to arise from surrogacy arrangements.

Yet, the question remains what impact the industry is having on the women who carry the pregnancy, especially in a resource-poor setting.

For your discussion: Do you think international surrogacy could be ethical? If so, what would need to be in place?