Rational or not, when we decide to get insurance can be explained by science: we contemplate between
risky alternatives based on «gains» or «losses,» rather than absolute outcomes.
The process, reported in Human Reproduction, utilizes DNA fingerprinting (an assessment of active genes in a given cell) to boost the success rate of IVF and lower the chances of
risky multiple births by identifying which of several five - day - old embryos are most likely to result in pregnancy The new method, which will replace unproved
alternatives such as choosing embryos
based on their shape, is likely to up the success of women becoming pregnant and lower their chances of having multiple births.