Add another notch in the belt of machine learning. Fertility startup Ovuline announced on Wednesday that its Ovia Fertility mobile app has helped 50,000 users get pregnant in the past 18 months, thanks in large part to all the data its users have supplied for its algorithms to analyze.

Ovuline’s success at predicting fertility is, like so many other things in 2014, the result of smartphones and lots of data, co-founder and CEO Paris Wallace said during a phone call on Wednesday. Whereas traditional fertility studies might have topped out at hundreds of users, he explained, Ovuline’s free app has been downloaded nearly 300,000 times. Its users are adding 1 million data points every two and a half days, or 250 per minute.

“Really, at Ovuline we’re doing the largest study on fertility and pregnancy that’s ever been done,” he said.

Like all things machine learning, the more data Ovuline…