In Vitro Fertilization: New Method Predicts Which Women WIll Get Pregnant

Researchers at the Stanford University School of Medicine have identified a method that can predict with 70 percent accuracy whether a woman undergoing in vitro fertilization treatment will become pregnant. The researchers found that four factors - total number of embryos, number of eight-cell embryos, percentage of embryos that stopped dividing and would die, and the woman's follicle-stimulating hormone level, a measurement that estimates ovarian function - were most important in determining a woman's chance of becoming pregnant. The four together were 70 percent accurate in predicting whether the current IVF cycle would result in a pregnancy.

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