A couple unable to conceive despite infertility treatments face heartbreak... As a last resort, they consider attending a fertility retreat not certified by the Ministry of Health, Labour and Welfare. The fact that sperm and egg compatibility greatly affects pregnancy. They practice special sex techniques to increase the chances of conception. If there's a possibility your husband's sperm isn't compatible with your eggs... as long as everyone shares the same desire to get pregnant, why not try swapping partners together?