But other technologies, such as intrauterine insemination (IUI) and gamete intrafallopian transfer (GIFT) fall into a gray area. “Some moral theologians and ethicists see these techniques as assisting the conjugal act. Others see it as replacing it,” he said. “Until such time as the Vatican speaks, Catholics contemplating the use of IUI or GIFT should inform themselves of both sides of the moral and theological argument and then make a decision in good conscience.”
