Phone App Predicts Chance of IVF Success

British scientists have developed a one-minute test they swear is a highly reliable predictor of whether a couple can conceive a child with in vitro fertilization, the Telegraph reports. What's more, it's a questionnaire—no blood or tissue sampling required. It's already available for free here and will soon be out as a smartphone app.

The test includes questions about the woman's age, years spent trying to conceive, cause of infertility, and previous pregnancies. Researchers analyzed 144,000 IVF cycles to create their statistical model. It "provides women considering IVF with an understandable and quantitative estimate of their chances of success," says a Cambridge professor unaffiliated with the study. "It is a great resource." (More IVF stories.)